Perhaps you should try some spelling variations:
cau tren » cu tren, dau tren, ca tren
lang tai » lang thai, tang tai, sang tai
hang tai » hang va, dung tai
hanh tai » thanh tai, han tai, hinh tai
va hanh » van hanh, va thanh, va danh
cuu tre » cua tre, cau treo
te sach » toc sach
hieu ve » hieu va, hieu van
xuc va » duc va, tuc va, luc va
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 y ((lang tai) or (hang tai)) khoa. hieu ve cam xuc va hanh tai ((cuu tre) or (cau tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y ((lang tai) OR (hang tai)) khoa. hieu ve cam xuc va hanh tai ((cuu tre) OR (cau tren)).
• Adding a wildcard symbol may retrieve word variants: te sach y ((lang tai) or (hang tai)) khoa. hieu ve cam xuc va hanh tai ((cuu tre) or (cau tren))*.