Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
ky lang » ky nang, ky dang, tay lang
ky tang » ky nang, ky dang, kho tang
hieu ve » hieu va, hieu van
cac loc » cac lop, cac toc, cac hoc
loc van » luoc van, hoc van, lo van
tu sac » tu sach, tu cac, tu san
vi cua » vai cua, di cua
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sac ((ky lang) or (ky tang)) xa hoi. ((hieu ve) or (lieu va)) cac loc van hanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ((ky lang) OR (ky tang)) xa hoi. ((hieu ve) OR (lieu va)) cac loc van hanh vi cua te.
• Adding a wildcard symbol may retrieve word variants: tu sac ((ky lang) or (ky tang)) xa hoi. ((hieu ve) or (lieu va)) cac loc van hanh vi cua te*.