Perhaps you should try some spelling variations:
hanh trinh » hanh chinh
trinh chat » tinh chat, trinh luat, trinh han
hoc thieu » toc thieu, hoc hien
dung cong » dung trong
san trinh » dan trinh, san tinh, van trinh
ho chieu » theo chieu, doi chieu, mot chieu
cua dung » cua dang, cua dong, qua dung
cong san » cong tac

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 trinh) OR (canh tranh)) cua dung cong san trinh chat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) xanh - ((hanh trinh) OR (canh tranh)) cua dung cong san trinh chat.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (hoc thieu)) xanh - ((hanh trinh) OR (canh tranh)) cua dung cong san trinh chat".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (hoc thieu)) xanh - ((hanh trinh) OR (canh tranh)) cua dung cong san trinh chat*.