Perhaps you should try some spelling variations:
cau tren » cu tren, dau tren, ca tren
cau treo » cau theo, cau triet, cau trieu
dan lai » dan loai, dan lap, dan lat
cua tre » cua te, cuu tre, cua triet
te sach » toc sach
cam tuc » cam xuc, cam tu, nam thuc
hieu ve » hieu va, hieu van
tuc va » thuc va, truc va, tuc xa
y nang » ky nang, ly nang, v nang
ve cam » ve cham, ve cac, va cam
va dan » ca dan, va dao, va dau
x hoi » xa hoi, o hoi, x ho

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 nang x hoi. hieu ve cam tuc va dan lai ((cua tre) or (((cau treo) or (cau tren))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang x hoi. hieu ve cam tuc va dan lai ((cua tre) OR (((cau treo) OR (cau tren)))).
• Adding a wildcard symbol may retrieve word variants: te sach y nang x hoi. hieu ve cam tuc va dan lai ((cua tre) or (((cau treo) or (cau tren))))*.