Perhaps you should try some spelling variations:
dua tren » dung tren
va danh » va dinh, va dan, va hanh
nang ro » nang co, nang ho, nang ra
cua tre » cua te, cuu tre, cua triet
hieu ve » hieu va, hieu van
danh vi » hanh vi, dinh vi, danh di
tu sai » tu bai, tu san, tu cai
xuc va » duc va, tuc va, luc va
sai ky » sac ky
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: tu sai ky ((nang ro) or (nang luc)) hoi. hieu ve cam xuc va danh vi ((cua tre) or (dua tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sai ky ((nang ro) OR (nang luc)) hoi. hieu ve cam xuc va danh vi ((cua tre) OR (dua tren)).
• Adding a wildcard symbol may retrieve word variants: tu sai ky ((nang ro) or (nang luc)) hoi. hieu ve cam xuc va danh vi ((cua tre) or (dua tren))*.