Perhaps you should try some spelling variations:
lang kyo » sang kyo, dang ky, lang o
kyo nang » ky nang, khoi nang, ki nang
hieu van » hieu va, thien van, lieu va
so lang » o lang, so dang, hoa lang
nang xa » nang x, lang xa, nang ma
van hac » van hoc, van ha, van hai
hac xuc » chat xuc
xuc cac » xuc tac, tuc cac, xuc cam
dan doi » dan hoi, van doi, quan doi
dan toi » dan toc, dan thi, van toi
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: so lang kyo nang xa hoi. hieu van hac xuc cac ((dan doi) or (dan toi)) cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so lang kyo nang xa hoi. hieu van hac xuc cac ((dan doi) OR (dan toi)) cua tu.
• Adding a wildcard symbol may retrieve word variants: so lang kyo nang xa hoi. hieu van hac xuc cac ((dan doi) or (dan toi)) cua tu*.