Perhaps you should try some spelling variations:
cau tren » cu tren, dau tren, ca tren
danh vi » hanh vi, dinh vi, danh di
tu dang » thu dang, tu dong, su dang
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
ve cam » ve cham, ve cac, va cam
luc va » duc va, loc va
dang v » dang va, dang ve, dang y
tuc va » thuc va, truc va, tuc xa
v nang » va nang, vu nang, van nang
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: tu dang v nang xa hoi. hieu ve cam ((luc va) or (tuc va)) danh vi ((cua te) or (cau tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu dang v nang xa hoi. hieu ve cam ((luc va) OR (tuc va)) danh vi ((cua te) OR (cau tren)).
• Adding a wildcard symbol may retrieve word variants: tu dang v nang xa hoi. hieu ve cam ((luc va) or (tuc va)) danh vi ((cua te) or (cau tren))*.