1.   But no specific title lodged in memory, complicating the search.

2.   But she said politics have complicated the search.

3.   But the search has been complicated by an upsurge in factional fighting among Afghan warlords in the same area.

4.   Complicating the search for bomb residue is the simple fact that bombs deployed by terrorists in recent years have contained only small amounts of explosives.

5.   Quaid is also left-handed, further complicating the search.

6.   The release of the federal report may further complicate the search for answers.

7.   The search was complicated by layers of concrete from the collapsed bridge intermingling with victims and vehicles in the swiftly flowing muddy river, the officials said.

8.   The search was complicated by low visibility and waters contaminated by battery acid from the submerged vehicles.

9.   The search was complicated by low visibility.

10.   Police in Buga said leftist guerrillas operate in the region, which could complicate the search.