Perhaps you should try some spelling variations:
luan nhung » luan chung, luan hung, quan nhung
cong thanh » dong thanh, cong trinh, cong tan
hoc thieu » toc thieu, hoc hien
tang luan » dung luan
ho chieu » theo chieu, doi chieu, mot chieu
anh tang » anh bang, anh dang, anh nang
toan tap » toan ban

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 - anh tang luan nhung ((cong thanh) or (cong ty)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) tinh - anh tang luan nhung ((cong thanh) OR (cong ty)) toan tap*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (hoc thieu)) tinh - anh tang luan nhung ((cong thanh) or (cong ty)) toan tap*".