Perhaps you should try some spelling variations:
danh sai » dung sai, danh bat, danh dau
nhan luc » nang luc
cham luc » cham soc, cham cuu, chat lua
su sach » so sach, vu sach
va danh » va dinh, va dan, va hanh
hieu ve » hieu va, hieu van
dang xa » dang xay, lang xa, dang ha
ky dang » ky nang, ky danh
te sach » toc sach
sai hoa » dai hoa, lai hoa, cai hoa

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 (te sach)) ky dang xa hoi. hieu ve ((cham luc) OR (nhan luc)) va danh sai hoa viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (te sach)) ky dang xa hoi. hieu ve ((cham luc) OR (nhan luc)) va danh sai hoa viet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) or (te sach)) ky dang xa hoi. hieu ve ((cham luc) OR (nhan luc)) va danh sai hoa viet".
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (te sach)) ky dang xa hoi. hieu ve ((cham luc) OR (nhan luc)) va danh sai hoa viet*.