Perhaps you should try some spelling variations:
cau treo » cau theo, cau triet, cau trieu
cau tren » cu tren, dau tren, ca tren
cham xuc » cam xuc, chat xuc, cham soc
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
nang xa » lang xa, nang ma, mang xa
xuc ca » xuc cam, xuc cua
ca dan » cac dan, ca dao
dan vi » doan vi, don vi, dan va
te cac » tu cac, ve cac, te cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: te cac ky ((nang xa) or (nang x)) hoi. hieu ve cham xuc ca dan vi ((cau tren) or (cau treo))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te cac ky ((nang xa) OR (nang x)) hoi. hieu ve cham xuc ca dan vi ((cau tren) OR (cau treo)).
• Adding a wildcard symbol may retrieve word variants: te cac ky ((nang xa) or (nang x)) hoi. hieu ve cham xuc ca dan vi ((cau tren) or (cau treo))*.