Perhaps you should try some spelling variations:
thuat sach » thuat san
thuat lanh » thuat lap, thuat san
danh vai » danh sai, danh va, doanh van
vai cua » dai cua, hai cua, lai cua
va danh » va dinh, va dan, va hanh
suc va » duc va, tuc va, luc va
cua te » cua tu
ve cac » va cac, vien cac
ve cao » va cao, ve bao, ve co
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: ((thuat sach) or (thuat lanh)) ky nang x hoi. hieu ((ve cao) or (ve cac)) suc va danh vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thuat sach) OR (thuat lanh)) ky nang x hoi. hieu ((ve cao) OR (ve cac)) suc va danh vai cua te.
• Adding a wildcard symbol may retrieve word variants: ((thuat sach) or (thuat lanh)) ky nang x hoi. hieu ((ve cao) or (ve cac)) suc va danh vai cua te*.