Perhaps you should try some spelling variations:
hoc thuyet » hoc chuyen
thanh tran » thanh trang, thanh toan, thanh tra
hoc thiet » hoc thieu, hoc hien, toc thieu
hang cong » dang cong, hang nong, bang cong
cong san » cong tac
san quan » van quan, ban quan, dan quan
tran va » tran van, trang va, tranh va
va hang » van hang, va nang, va lang
quan ha » quan he

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc thiet) OR (hoc thuyet)) anh - thanh tran va hang cong san quan ha~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thiet) OR (hoc thuyet)) anh - thanh tran va hang cong san quan ha".
• Adding a wildcard symbol may retrieve word variants: ((hoc thiet) OR (hoc thuyet)) anh - thanh tran va hang cong san quan ha*.