Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sach, chieu sang, chieu tinh
trung hai » trung ha, trung dai, trong hai
hai trong » tai trong, bai trong, dai trong
ho chieu » theo chieu, hoc thieu, doi chieu
cong dan » cong san, cong tan, huong dan
toan cao » toan tap
toan ban » van 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 xanh - thanh trung hai trong cong dan ((toan cao) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - thanh trung hai trong cong dan ((toan cao) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - thanh trung hai trong cong dan ((toan cao) or (toan ban))*.