Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh trinh » canh tranh, hanh chinh
cua nhung » va nhung
anh nang » ganh nang, anh bang, anh dang
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc thieu xanh - ((hanh trinh) or (anh nang)) cua nhung ((cong dan) OR (cong san)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu xanh - ((hanh trinh) OR (anh nang)) cua nhung ((cong dan) OR (cong san)) toan tap*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc thieu xanh - ((hanh trinh) or (anh nang)) cua nhung ((cong dan) OR (cong san)) toan tap*".