Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
thanh vai » thanh hai, thanh van, thanh tai
dua tren » dung tren
ly quang » le quang, vu quang
thi hang » thi hanh, thi nang, thi hong
cam vuc » cam xuc
cu tren » tu tren
vuc van » duc van, luc van, thuc van
su sach » so sach, vu sach
hieu ve » hieu va, hieu van
ve cam » ve cham, ve cac, va cam

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ((ly quang) or (thi hang)) xa hoi. hieu ve cam vuc van thanh vai ((cu tren) OR (dua tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ((ly quang) OR (thi hang)) xa hoi. hieu ve cam vuc van thanh vai ((cu tren) OR (dua tren))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ((ly quang) or (thi hang)) xa hoi. hieu ve cam vuc van thanh vai ((cu tren) OR (dua tren))*".