Perhaps you should try some spelling variations:
chinh gian » chinh giao, chinh ngan, chinh luan
hoc thieu » toc thieu, hoc hien
gian hang » gian lang, gia hang, gan hang
hang cong » dang cong, hang nong, bang cong
manh toan » thanh toan, anh tuan, tinh toan
ho chieu » theo chieu, doi chieu, mot chieu
van hang » van khang, van hoang, van thang

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 (hoc thieu)) xanh - hanh chinh gian hang cong ((manh toan) or (van hang)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) xanh - hanh chinh gian hang cong ((manh toan) OR (van hang)) cao.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (hoc thieu)) xanh - hanh chinh gian hang cong ((manh toan) or (van hang)) cao*.