Perhaps you should try some spelling variations:
hoc thieu » toc thieu, hoc hien
ho chieu » theo chieu, mot chieu, doi chieu
cong dap » cong dan, cong lap, cong da
ung cong » dung cong, luong cong, duong cong
cong tan » cong tac, cong san, cong thanh
tan han » tan nhan, tran han, tan van
han tap » han tai, toan tap, nhan tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) or (hoc thieu)) tinh - thanh cong dap ung cong tan han tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) tinh - thanh cong dap ung cong tan han tap.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (hoc thieu)) tinh - thanh cong dap ung cong tan han tap*.