Perhaps you should try some spelling variations:
thanh trong » thanh trung, tranh trong, hanh trong
thien tinh » khien tinh, thien minh, tien tinh
trong quan » thong quan, tong quan, thong quang
quan dung » quang dung, quan duong, qua dung
dung cong » dung trong
cong van » cong vang, cong san, song van
tan tap » toan tap, han tap, man tap
tan tat » ban tat, toan tap, toan tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thien tinh) or (tien thinh)) - thanh trong quan dung cong van ((tan tap) or (tan tat))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thien tinh) OR (tien thinh)) - thanh trong quan dung cong van ((tan tap) OR (tan tat)).
• Adding a wildcard symbol may retrieve word variants: hoc ((thien tinh) or (tien thinh)) - thanh trong quan dung cong van ((tan tap) or (tan tat))*.