Perhaps you should try some spelling variations:
lang mai » lang dai, lang hai, lang man
truc va » thuc va, thuc vat, trung va
ky lang » ky nang, ky dang, ky tang
mai hoi » mai khoi, dai hoi, lai hoi
hieu va » lieu va, hieu qua
danh vi » hanh vi, dinh vi, danh di
vi cua » vai cua, di cua
tu dan » tuc dan, tu ban, cu dan
tuc va » thuc va, tuc xa, duc va
dan ky » van ky
va cao » va cac, va co, va dao
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 dan ky lang mai hoi. hieu va cao ((tuc va) or (truc va)) danh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu dan ky lang mai hoi. hieu va cao ((tuc va) OR (truc va)) danh vi cua te.
• Adding a wildcard symbol may retrieve word variants: tu dan ky lang mai hoi. hieu va cao ((tuc va) or (truc va)) danh vi cua te*.