Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
hanh hai » thanh hai, nhanh hai, hanh tai
hang hai » hoang hai, hang tai, thanh hai
nang xa » nang x, lang xa, nang ma
van cam » van nam, van lam, van cau
cam luc » cam xuc, cau luc
su dai » sau dai, si dai, su tai
dai ky » dan ky, dai ly, sai ky
luc va » duc va, tuc va, loc va
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 dai ky nang xa hoi. hieu van cam luc va ((hanh hai) or (hang hai)) cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su dai ky nang xa hoi. hieu van cam luc va ((hanh hai) OR (hang hai)) cua tu.
• Adding a wildcard symbol may retrieve word variants: su dai ky nang xa hoi. hieu van cam luc va ((hanh hai) or (hang hai)) cua tu*.