Perhaps you should try some spelling variations:
thien van » thi van
pham chuc » pham duc, pham huu, kham chua
thi nang » thi cong, ki nang, thi hanh
sach thi » sach thu, sach tai, sach thieu
phan huy » phan tu, phan xay, van huy
hanh tai » thanh tai, hang tai, han tai
so sach » so sanh, bo sach, co sach
va hanh » van hanh, va thanh, va danh
nang co » nang cao, nang doc, nang noi
co hoi » co hoc, co loi
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 thi nang co hoi. thien van ((pham chuc) or (phan huy)) va hanh tai ((cua te) OR (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach thi nang co hoi. thien van ((pham chuc) OR (phan huy)) va hanh tai ((cua te) OR (cua tu)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach thi nang co hoi. thien van ((pham chuc) or (phan huy)) va hanh tai ((cua te) OR (cua tu))".
• Adding a wildcard symbol may retrieve word variants: so sach thi nang co hoi. thien van ((pham chuc) or (phan huy)) va hanh tai ((cua te) OR (cua tu))*.