Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh quan » tinh quang, trinh luat, trinh han
quan nhung » qua nhung, cua nhung, luan chung
cong thanh » dong thanh, cong trinh, truong thanh
hien xanh » hien hanh, hien nhanh, chieu xanh
cong tan » cong tac, cong san, cong ty
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 hien xanh - hanh trinh quan nhung ((cong tan) or (cong thanh)) ((toan cau) or (van ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - hanh trinh quan nhung ((cong tan) OR (cong thanh)) ((toan cau) OR (van ban)).
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - hanh trinh quan nhung ((cong tan) or (cong thanh)) ((toan cau) or (van ban))*.