Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
tien manh » tien anh, tien thanh, tieng anh
trinh qua » trinh quan, trinh cua, trinh quang
qua nhung » quan nhung, cua nhung, qua chung
duong van » duong va, luong va, trong van
hoc tien » hoc tieng, hoc hien, hoc vien
cong san » cong tac
dang van » hoang van, hang va
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc tien manh - hanh trinh qua nhung ((cong san) or (((dang van) or (duong van)))) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc tien manh - hanh trinh qua nhung ((cong san) OR (((dang van) OR (duong van)))) toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc tien manh - hanh trinh qua nhung ((cong san) or (((dang van) or (duong van)))) toan cau*.