Perhaps you should try some spelling variations:
thuyet mach » thuyet xac, thuyet cac, thuyet anh
ho thuyet » hoc thuyet, tho khuyet, ly thuyet
chinh sua » chinh su, chinh cua, chinh luan
hang nong » thang long, han tong
sua hang » cua hang, sua nang, mua hang
dan than » ban than, van than, dan toan
dan chan » dan gian, dan ca, van chat

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho thuyet mach - hanh chinh sua hang nong ((((dan than) or (dan chan))) or (tinh toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho thuyet mach - hanh chinh sua hang nong ((((dan than) OR (dan chan))) OR (tinh toan)) cau.
• Adding a wildcard symbol may retrieve word variants: ho thuyet mach - hanh chinh sua hang nong ((((dan than) or (dan chan))) or (tinh toan)) cau*.