Perhaps you should try some spelling variations:
pham thuc » phap thuc, pham chuc, nham thuc
hang tai » hang va, dung tai
hieu vu » hieu va, hieu ve, hieu su
tai cua » thai cua, tai cuc, tri cua
va hang » van hang, va nang, va lang
thuc va » thuc vat, thuc dan, thuc day
vu pham » su pham, vi pham, vu kham
tu sach » thu sach, su sach, te sach
so sach » so sanh, bo sach, co sach
vu sach » vu bach, su sach, vu khach
cua te » cua tu
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu sach) or (((vu sach) or (so sach)))) ky nang x hoi. hieu vu pham thuc va hang tai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (((vu sach) OR (so sach)))) ky nang x hoi. hieu vu pham thuc va hang tai cua te.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (((vu sach) or (so sach)))) ky nang x hoi. hieu vu pham thuc va hang tai cua te*.