Perhaps you should try some spelling variations:
thien van » thi van
pham chuc » pham duc, kham chua, pham huy
sach thu » sach thue, sach thieu, sach tham
thu nang » thi nang, thu hang, thu bang
pham huu » pham duc, pham duy, phan huy
hanh tai » thanh tai, hang tai, han tai
so sach » so sanh, bo sach, co sach
cao hoi » cau hoi, co hoi, cao hoc
va hanh » van hanh, va thanh, va danh
tai cua » thai cua, tai cuc, tri cua
cua te » cua tu

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 thu nang cao hoi. thien van ((pham chuc) or (pham huu)) va hanh tai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach thu nang cao hoi. thien van ((pham chuc) OR (pham huu)) va hanh tai cua te.
• Adding a wildcard symbol may retrieve word variants: so sach thu nang cao hoi. thien van ((pham chuc) or (pham huu)) va hanh tai cua te*.