Perhaps you should try some spelling variations:
phap thuc » phap thu, phap hoc, phap tu
pham chuc » pham duc, pham huu, kham chua
thu nang » thu hang, thu bang, tho nang
hanh vai » hanh vi, hanh va, hanh tai
thi nang » thi cong, ki nang, thi hanh
so sach » so sanh, bo sach, co sach
vai cua » dai cua, hai cua, lai cua
va hanh » van hanh, va thanh, va danh
hieu v » hieu va, hieu ve, hieu 2
ma hoi » mai hoi, xa hoi, ma hoa
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) OR (thi nang)) ma hoi. hieu v ((pham chuc) or (phap thuc)) va hanh vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ((thu nang) OR (thi nang)) ma hoi. hieu v ((pham chuc) OR (phap thuc)) va hanh vai cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach ((thu nang) OR (thi nang)) ma hoi. hieu v ((pham chuc) or (phap thuc)) va hanh vai cua te".
• Adding a wildcard symbol may retrieve word variants: so sach ((thu nang) OR (thi nang)) ma hoi. hieu v ((pham chuc) or (phap thuc)) va hanh vai cua te*.