Perhaps you should try some spelling variations:
dua tren » dung tren
te sach » toc sach
sach tu » sach thu, cach tu, sach ty
tu lang » cu lang, tu lanh, xu lang
lang xa » lang ha, dang xay, lang van
hieu ve » hieu va, hieu van
cam tuc » cam xuc, cam tu, nam thuc
xa dinh » xac dinh, va dinh, ba dinh
dinh te » kinh te, dich te, dinh ve
cuu tre » cua tre, cau tren, cau treo
ve cam » ve cham, ve cac, va cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach tu lang xa hoi. hieu ve cam tuc xa dinh te ((dua tren) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach tu lang xa hoi. hieu ve cam tuc xa dinh te ((dua tren) OR (cuu tre)).
• Adding a wildcard symbol may retrieve word variants: te sach tu lang xa hoi. hieu ve cam tuc xa dinh te ((dua tren) or (cuu tre))*.