Perhaps you should try some spelling variations:
lanh trinh » hanh trinh, anh trinh, lanh tranh
hien xanh » hien hanh, hien nhanh, chieu xanh
trinh van » trinh han, trinh quan, trinh toan
van nhung » van nhuong, va nhung, van hung
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
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 - lanh trinh van nhung ((((cong tan) or (cong dong))) or (cong san)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - lanh trinh van nhung ((((cong tan) OR (cong dong))) OR (cong san)) toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - lanh trinh van nhung ((((cong tan) or (cong dong))) or (cong san)) toan cao*.