Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
hoc thieu » toc thieu, hoc hien
doi chieu » doc hieu, doi chi, ho chieu
cong dang » cong dan, cong dung, cong danh
thanh tay » thanh tai, thanh toan, thanh thuy
trinh va » trinh van, trinh vat, trinh ve
va dang » van dang, va nang, va lang

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc thieu) or (doi chieu)) xanh - hanh trinh va dang ((cong dang) OR (cong dong)) thanh tay~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (doi chieu)) xanh - hanh trinh va dang ((cong dang) OR (cong dong)) thanh tay.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thieu) or (doi chieu)) xanh - hanh trinh va dang ((cong dang) OR (cong dong)) thanh tay".
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (doi chieu)) xanh - hanh trinh va dang ((cong dang) OR (cong dong)) thanh tay*.