Perhaps you should try some spelling variations:
pham thuc » phap thuc, pham chuc, nham thuc
thuat san » thuat toan, thuat song, thuat lanh
thu sach » tu sach, thuat sach, thuoc sach
thuc day » thuc dan, thuc vat
hanh di » hanh de, hang di, danh di
va pham » van pham, va phat, va phap
hieu va » lieu va, hieu qua
cao hoi » cau hoi, co hoi, cao hoc
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: ((thu sach) or (thuat san)) ky nang cao hoi. hieu va pham thuc day ((hanh di) or (hanh vi)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu sach) OR (thuat san)) ky nang cao hoi. hieu va pham thuc day ((hanh di) OR (hanh vi)) cua te.
• Adding a wildcard symbol may retrieve word variants: ((thu sach) or (thuat san)) ky nang cao hoi. hieu va pham thuc day ((hanh di) or (hanh vi)) cua te*.