Perhaps you should try some spelling variations:
thue nang » thien nang, thuat nang, thi nang
pham chuc » pham duc, pham huu, kham chua
sach thue » sach thu, sach thieu, sach tham
hanh vai » hanh vi, hanh va, hanh tai
hieu van » hieu va, thien van, lieu va
pham duy » pham duc
so sach » so sanh, bo sach, co sach
cao hoi » cau hoi, co hoi, cao hoc
va hanh » van hanh, va thanh, va danh
cua tu » cua tuc, cua su, cua cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach thue nang cao hoi. hieu van ((pham chuc) or (pham duy)) va hanh vai ((cua te) or (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach thue nang cao hoi. hieu van ((pham chuc) OR (pham duy)) va hanh vai ((cua te) OR (cua tu)).
• Adding a wildcard symbol may retrieve word variants: so sach thue nang cao hoi. hieu van ((pham chuc) or (pham duy)) va hanh vai ((cua te) or (cua tu))*.