Perhaps you should try some spelling variations:
tang mau » trang mau, dang mau, thanh mau
te sach » toc sach
va hanh » van hanh, va thanh, va danh
tang ma » mang may, tang van
cua tre » cuu tre, cua triet, dua tren
hieu ve » hieu va, hieu van
hanh va » hang va, hanh vi
cam loc » cam lo
ve cam » ve cham, ve cac, va cam
loc va » hoc va, luc va
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 sach y ((tang ma) or (tang mau)) hoi. hieu ve cam loc va hanh va ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y ((tang ma) OR (tang mau)) hoi. hieu ve cam loc va hanh va ((cua tre) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: te sach y ((tang ma) or (tang mau)) hoi. hieu ve cam loc va hanh va ((cua tre) or (cua te))*.