Perhaps you should try some spelling variations:
vien cac » vien bach, vien dai, vien da
thanh vi » hanh vi, thanh va, thanh ve
thu cac » tu cac, thu xac, thu cuc
nang ma » tang ma, sang ma, nang cao
ma hoi » mai hoi, xa hoi, ma hoa
ve cac » va cac
luc va » tuc va, loc va
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: thu cac ky nang ma hoi. hieu ((ve cac) or (vien cac)) ((luc va) or (duc va)) thanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu cac ky nang ma hoi. hieu ((ve cac) OR (vien cac)) ((luc va) OR (duc va)) thanh vi cua te.
• Adding a wildcard symbol may retrieve word variants: thu cac ky nang ma hoi. hieu ((ve cac) or (vien cac)) ((luc va) or (duc va)) thanh vi cua te*.