Perhaps you should try some spelling variations:
thieu khang » chieu khong, thieu quang
chinh doanh » kinh doanh
hoc thieu » toc thieu, hoc hien
dan toan » van toan, dan than, manh toan
toan tap » toan ban
va hang » van hang, va lang, va hanh
va nang » van nang, da nang, cam nang

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu khang - chinh doanh ((va hang) or (va nang)) huong dan toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu khang - chinh doanh ((va hang) OR (va nang)) huong dan toan tap.
• Adding a wildcard symbol may retrieve word variants: hoc thieu khang - chinh doanh ((va hang) or (va nang)) huong dan toan tap*.