Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
tu cach » tu cac
va hanh » va thanh, va danh, ban hanh
te sach » toc sach
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
cao xuc » cam xuc, cao duc, cao suc
di cua » dai cua, doi cua, de cua
va cao » va cac, va co, va dao
cua cu » cua chu, cua cau, cua su

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu cach) or (te sach)) ky nang xa hoi. hieu va cao xuc ((va hanh) or (van hanh)) di cua cu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cach) OR (te sach)) ky nang xa hoi. hieu va cao xuc ((va hanh) OR (van hanh)) di cua cu.
• Adding a wildcard symbol may retrieve word variants: ((tu cach) or (te sach)) ky nang xa hoi. hieu va cao xuc ((va hanh) or (van hanh)) di cua cu*.