Perhaps you should try some spelling variations:
thuat lanh » thuat lap, thuat san
lanh kha » lang kham, lanh nham, manh khai
kha nang » phap nang, ky nang, ki nang
hieu van » thien van, lieu va, hieu ve
hieu va » lieu va, hieu qua
va hanh » van hanh, va thanh, va danh
vi luu » vi lua
x hoi » xa hoi, o hoi, x ho
tru » truc

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat lanh kha nang x hoi. ((hieu van) or (hieu va)) pham duc va hanh vi luu tru~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat lanh kha nang x hoi. ((hieu van) OR (hieu va)) pham duc va hanh vi luu tru.
• Adding a wildcard symbol may retrieve word variants: thuat lanh kha nang x hoi. ((hieu van) or (hieu va)) pham duc va hanh vi luu tru*.