Perhaps you should try some spelling variations:
thien danh » thien anh, thien dang, thien thanh
hanh trinh » canh tranh, hanh chinh
cong ngang » cong nhan, cong quang, cong lang
hoc thien » hoc hien, hoc thieu, hoc thiet
trinh han » trinh quan
han nhung » hanh nhung, hon nhung, ban nhung
cong san » cong tac
than cau » toan cau, phan cau, than cap

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 danh - hanh trinh han nhung ((cong san) or (cong ngang)) than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thien danh - hanh trinh han nhung ((cong san) OR (cong ngang)) than cau.
• Adding a wildcard symbol may retrieve word variants: hoc thien danh - hanh trinh han nhung ((cong san) or (cong ngang)) than cau*.