Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
va phuong » va thuong, cac phuong
hanh han » hanh nhan, hanh phan, anh han
hanh san » thanh san, khach san, thanh son
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
han tap » han tai, toan tap, nhan tai

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 han) OR (hanh san)) va phuong ((cong dan) or (cong tan)) han tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - ((hanh han) OR (hanh san)) va phuong ((cong dan) OR (cong tan)) han tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - ((hanh han) OR (hanh san)) va phuong ((cong dan) or (cong tan)) han tap".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - ((hanh han) OR (hanh san)) va phuong ((cong dan) or (cong tan)) han tap*.