Perhaps you should try some spelling variations:
cham luc » cham soc, nhan luc, chat lua
thanh vi » hanh vi, thanh va, thanh ve
va thanh » gia thanh, ban thanh, va tinh
van lang » van nang, va lang, van hang
cham cuu » cap cuu, chat cua
su sach » so sach
hieu vu » hieu va, hieu ve, hieu su
lang xa » lang ha, dang xay, lang van
vu sach » vu bach, vu khach
vi cua » vai cua, di cua

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) or (vu sach)) van lang xa hoi. hieu vu ((cham luc) or (cham cuu)) va thanh vi cua vat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (vu sach)) van lang xa hoi. hieu vu ((cham luc) OR (cham cuu)) va thanh vi cua vat.
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (vu sach)) van lang xa hoi. hieu vu ((cham luc) or (cham cuu)) va thanh vi cua vat*.