Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
hua khong » cua khong, hoac khong, phuc khong
hoa khong » khoi khong, hoa cong, he khong
ho chieu » theo chieu, hoc thieu, doi chieu
cong tac » cong ty
tac than » tac thanh, tam than, tac nhan
than cau » toan cau, phan cau, than cap
doi chi » doi khi

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) or (doi chi)) xanh - hanh trinh ((hua khong) or (hoa khong)) cong tac than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doi chi)) xanh - hanh trinh ((hua khong) OR (hoa khong)) cong tac than cau.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (doi chi)) xanh - hanh trinh ((hua khong) or (hoa khong)) cong tac than cau*.