Perhaps you should try some spelling variations:
tu sang » thu sang, tu san, tu lang
sang ky » sang kyo, dang ky, tang ky
ky hang » ky nang, ly hang, ky dang
hieu ve » hieu va, hieu van
cuu ban » cua ban, cuu san, cuu nang
danh vi » hanh vi, dinh vi, danh di
cua tre » cua te, cuu tre, cua triet
va hoi » xa hoi, va hoc, va hoa
ve cam » ve cham, ve cac, va cam
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sang ky hang va hoi. hieu ve cam ((cuu ban) or (cuu van)) danh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sang ky hang va hoi. hieu ve cam ((cuu ban) OR (cuu van)) danh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sang ky hang va hoi. hieu ve cam ((cuu ban) or (cuu van)) danh vi cua tre*.