Perhaps you should try some spelling variations:
va trien » va truyen, va thiet, va tuyen
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
qua cam » qua cham, qua cac, qua ca
hanh ve » hanh vi, hanh va, hanh kem
te sac » te sach, te cac, te san
sac ky » cac ky, sai ky
xuc va » tuc va, luc va, xac va
ve va » ve van, te va, ke va

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sac ky lang xa hoi. hieu qua cam ((xuc va) or (duc va)) hanh ve va trien~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky lang xa hoi. hieu qua cam ((xuc va) OR (duc va)) hanh ve va trien.
• Adding a wildcard symbol may retrieve word variants: te sac ky lang xa hoi. hieu qua cam ((xuc va) or (duc va)) hanh ve va trien*.