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

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