Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu tach » thien hach, chiet tach, chieu sach
hoc thieu » toc thieu, hoc hien
cua thong » cua thuong, cua khong, suat thong
cua tong » cua cong, cua dong, cua nong
cong san » cong tac
gian cau » gian chau, gian cac, gian cu
gian cam » gian cham, gian cac, gia cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu tach - thanh trung ((cua thong) OR (cua tong)) cong san ((gian cau) or (gian cam))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tach - thanh trung ((cua thong) OR (cua tong)) cong san ((gian cau) OR (gian cam)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu tach - thanh trung ((cua thong) OR (cua tong)) cong san ((gian cau) or (gian cam))".
• Adding a wildcard symbol may retrieve word variants: hoc thieu tach - thanh trung ((cua thong) OR (cua tong)) cong san ((gian cau) or (gian cam))*.