Perhaps you should try some spelling variations:
te sach » toc sach
cam duc » cam xuc, cao duc, pham duc
cua tre » cua te, cua triet, dua tren
dinh te » kinh te, dinh ve, dinh tu
sach tu » sach thu, cach tu, sach ty
hieu ve » hieu va, hieu van
lang xa » lang ha, dang xay, lang van
tu lang » cu lang, tu lanh, xu lang
cuu 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 duc va ((dinh te) or (dich te)) ((cua tre) 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 duc va ((dinh te) OR (dich te)) ((cua tre) OR (cuu tre)).
• Adding a wildcard symbol may retrieve word variants: te sach tu lang xa hoi. hieu ve cam duc va ((dinh te) or (dich te)) ((cua tre) or (cuu tre))*.