Perhaps you should try some spelling variations:
thieu thanh » thien thanh, thi thanh, thu thanh
thanh tung » thanh cong
cong thanh » dong thanh, cong trinh, cong tan
hoc thieu » toc thieu, hoc hien
ha nhung » hoa nhung, hay nhung, pha nhung
cong dan » cong san, cong tan, huong dan
toan cao » toan ban
toan tap » toan ban
tung ha » trung ha, dung ha, tung ho

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 thanh - thanh tung ha nhung ((cong dan) or (cong thanh)) ((toan cao) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu thanh - thanh tung ha nhung ((cong dan) OR (cong thanh)) ((toan cao) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu thanh - thanh tung ha nhung ((cong dan) or (cong thanh)) ((toan cao) or (toan tap))*.