Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
cham luc » cham soc, nhan luc, cham cuu
hoi nang » hoi lang, hoa nang, hoi dang
hieu va » lieu va, hieu qua
danh vi » hanh vi, dinh vi, danh di
va danh » va dinh, va dan, va hanh
te sach » toc sach
hieu vu » hieu ve, hieu su, dieu vu
ho nang » thi nang, kha nang, cao nang
luc va » duc va, tuc va, loc va
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: te sach ((ho nang) or (hoi nang)) xa hoi. ((hieu vu) or (hieu va)) cham luc va danh vi cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((ho nang) OR (hoi nang)) xa hoi. ((hieu vu) OR (hieu va)) cham luc va danh vi cua viet.
• Adding a wildcard symbol may retrieve word variants: te sach ((ho nang) or (hoi nang)) xa hoi. ((hieu vu) or (hieu va)) cham luc va danh vi cua viet*.