Perhaps you should try some spelling variations:
thien thanh » tien thanh, thi thanh, hien hanh
hanh trang » thanh trung, canh tranh, hanh trinh
hoc thien » hoc hien, hoc thieu, hoc thiet
trang vai » trang va, trang tai, trang giai
dung cong » dung trong
vai dung » van dung, mai dung, va dung
cong dan » cong san, cong tan, huong dan

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 thanh - hanh trang vai dung cong dan ((toan ban) or (van ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thien thanh - hanh trang vai dung cong dan ((toan ban) OR (van ban)).
• Adding a wildcard symbol may retrieve word variants: hoc thien thanh - hanh trang vai dung cong dan ((toan ban) or (van ban))*.