Perhaps you should try some spelling variations:
thuat lanh » thuat lap, thuat san
van hanh » van thanh, ban hanh, van anh
hieu van » hieu va, thien van, lieu va
va triet » va thiet, va trien, ve triet
lang xa » lang ha, dang xay, lang van
hieu ve » hieu va
nang xa » nang x, nang ma, mang xa
cam luc » cam xuc, cau luc
luc van » luoc van, luu van, duc van
hanh le » thanh le, hanh ve, hanh de
lanh y » anh y, hanh y, lanh lay
le va » le van, te va, ly va

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat lanh y ((nang xa) or (lang xa)) hoi. ((hieu ve) or (hieu van)) cam luc van hanh le va triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat lanh y ((nang xa) OR (lang xa)) hoi. ((hieu ve) OR (hieu van)) cam luc van hanh le va triet.
• Adding a wildcard symbol may retrieve word variants: thuat lanh y ((nang xa) or (lang xa)) hoi. ((hieu ve) or (hieu van)) cam luc van hanh le va triet*.