Perhaps you should try some spelling variations:
thi hang » thi nang, thi hong, thi thanh
thi hanh » thi thanh
hieu cao » chieu cao, hieu cac, hieu ca
chat luc » chat xuc, chat lua, nhan luc
ban hanh » ban hang
hanh dam » thanh dam, hanh lam, hanh nam
ha triet » nha triet, va triet, hanh triet
vu sach » vu bach, su sach, vu khach
luc ban » duc ban, cuc ban, luc bat
dam ha » nam ha, dam phan

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach ((thi hang) or (thi hanh)) xa hoi. hieu cao chat luc ban hanh dam ha triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ((thi hang) OR (thi hanh)) xa hoi. hieu cao chat luc ban hanh dam ha triet.
• Adding a wildcard symbol may retrieve word variants: vu sach ((thi hang) or (thi hanh)) xa hoi. hieu cao chat luc ban hanh dam ha triet*.