Perhaps you should try some spelling variations:
thanh tung » thanh cong
hoc trieu » hoc thieu, hoc tieu, hoc dieu
tung dai » trung dai, tuong dai, tung dan
ung cong » dung cong, luong cong, duong cong
cong san » cong tac
toan tai » toan tap, doanh tai, toan cao
toan ban » van ban
dai ung » dap ung, dan ung, di ung

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc trieu tinh - thanh tung dai ung cong san ((toan tai) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc trieu tinh - thanh tung dai ung cong san ((toan tai) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: hoc trieu tinh - thanh tung dai ung cong san ((toan tai) or (toan ban))*.