Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
thu sach » tu sach, thuoc sach, thu hoach
dung sai » dung tai, dung va, dung dat
vu kham » vu khanh
sai cua » dai cua, hai cua, lai cua
va dung » van dung, va duong, vat dung
ve cam » ve cham, ve cac, va cam
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: ((thu sach) or (thuat sach)) ky nang x hoi. hieu ((ve cam) or (vu kham)) duc va dung sai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu sach) OR (thuat sach)) ky nang x hoi. hieu ((ve cam) OR (vu kham)) duc va dung sai cua te.
• Adding a wildcard symbol may retrieve word variants: ((thu sach) or (thuat sach)) ky nang x hoi. hieu ((ve cam) or (vu kham)) duc va dung sai cua te*.