Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
dung hai » dung tai, dung ha, dung sai
nang xa » nang x, lang xa, nang ma
van cam » van nam, van lam, van cau
cam tuc » cam xuc, cam tu, nam thuc
xa dung » xay dung, xa dong, va dung
cua tre » cuu tre, cua triet, dua tren
su cac » tu cac, su cao, su can
cua tu » cua tuc, cua su, cua cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: su cac ky nang xa hoi. hieu van cam tuc xa dung hai ((cua tre) or (((cua te) or (cua tu))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su cac ky nang xa hoi. hieu van cam tuc xa dung hai ((cua tre) OR (((cua te) OR (cua tu)))).
• Adding a wildcard symbol may retrieve word variants: su cac ky nang xa hoi. hieu van cam tuc xa dung hai ((cua tre) or (((cua te) or (cua tu))))*.