Perhaps you should try some spelling variations:
chat xuc » chat huu, cam xuc, chao xu
van hanh » van thanh, ban hanh, van anh
tu sach » thu sach, su sach, te sach
vu sach » vu bach, su sach, vu khach
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
ve chat » va chat, van chat
va danh » va dinh, va dan, va hanh
vi va » vi van, vai va, vu va
thiet » thieu

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)) ky nang xa hoi. hieu ve chat xuc ((va danh) or (van hanh)) vi va thiet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (vu sach)) ky nang xa hoi. hieu ve chat xuc ((va danh) OR (van hanh)) vi va thiet.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (vu sach)) ky nang xa hoi. hieu ve chat xuc ((va danh) or (van hanh)) vi va thiet*.