Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
dua tren » dung tren
dang xay » dang van, van xay
hieu ve » hieu va, hieu van
lang xa » lang ha, lang van
hanh de » hanh ve, hanh kem
xuc van » duc van, luc van, vuc van
te bai » te bao, te tai, te ban
ve cam » ve cham, ve cac, va cam
bai ky » ban ky, sai ky, bac ky
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: te bai ky ((lang xa) or (dang xay)) hoi. hieu ve cam xuc van hanh de ((dua tren) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te bai ky ((lang xa) OR (dang xay)) hoi. hieu ve cam xuc van hanh de ((dua tren) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: te bai ky ((lang xa) or (dang xay)) hoi. hieu ve cam xuc van hanh de ((dua tren) or (cua te))*.