Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh trinh » hanh chinh
hoc thieu » toc thieu, hoc hien
chat thom » chat thai, chat hoa, chat cho
cua dong » chua dong, cua cong, cua dang
cong van » cong vang, song van, cong tan
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: hoc thieu xanh - ((hanh trinh) OR (canh tranh)) cua dong ((cong van) or (cong san)) chat thom~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - ((hanh trinh) OR (canh tranh)) cua dong ((cong van) OR (cong san)) chat thom.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - ((hanh trinh) OR (canh tranh)) cua dong ((cong van) or (cong san)) chat thom".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - ((hanh trinh) OR (canh tranh)) cua dong ((cong van) or (cong san)) chat thom*.