Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh van » trinh han, trinh quan, trinh toan
dung cong » dung trong
hang cong » dang cong, hang nong, bang cong
ban thanh » ban hanh, ban hang
van thanh » van tuan
chi xanh » chi anh, chi danh, chi hanh
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: doi chi xanh - hanh trinh van ((dung cong) or (hang cong)) ((ban thanh) or (van thanh)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi xanh - hanh trinh van ((dung cong) OR (hang cong)) ((ban thanh) OR (van thanh)) cao.
• Adding a wildcard symbol may retrieve word variants: doi chi xanh - hanh trinh van ((dung cong) or (hang cong)) ((ban thanh) or (van thanh)) cao*.