Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
nhan luc » nang luc
dua tren » dung tren
cua tre » cuu tre, cua triet, cua thep
nang ma » tang ma, sang ma, nang cao
hieu ca » hieu cac, hieu cua, hieu va
luc van » luoc van, luu van, duc van
hanh de » hanh ve, hanh kem
te sac » te sach, te cac, te san
sac ky » cac ky, sai ky
ma hoi » mai hoi, xa hoi, ma hoa
cua te » cua tu

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

• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky nang ma hoi. hieu ca nhan luc van hanh de ((((cua tre) OR (dua tren))) OR (cua te))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sac ky nang ma hoi. hieu ca nhan luc van hanh de ((((cua tre) OR (dua tren))) or (cua te))~".
• Adding a wildcard symbol may retrieve word variants: te sac ky nang ma hoi. hieu ca nhan luc van hanh de ((((cua tre) OR (dua tren))) or (cua te))*.