Perhaps you should try some spelling variations:
doi chieu » doc hieu, doi chi, mot chieu
hoc thieu » toc thieu, hoc hien
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 san » tai san, tan van, han san
san tap » han tap, man tap, san tay

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

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