Perhaps you should try some spelling variations:
doanh van » doan van, doanh va, doanh ban
cham luc » cham soc, nhan luc, cham cuu
va doanh » van doanh, vay doanh, va danh
hau tren » dau tren, cau tren, thai tren
te sach » toc sach
ty hang » ty xang, thi hang, thu hang
ly hang » ly quang
hieu su » hieu sau, tieu su, hieu so
su cham » su pham, tu cham, vu cham
van hau » van ha, van hai, van dau
luc va » duc va, tuc va, loc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ((ty hang) or (ly hang)) xa hoi. hieu su cham luc va doanh van hau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((ty hang) OR (ly hang)) xa hoi. hieu su cham luc va doanh van hau tren.
• Adding a wildcard symbol may retrieve word variants: te sach ((ty hang) or (ly hang)) xa hoi. hieu su cham luc va doanh van hau tren*.