Perhaps you should try some spelling variations:
truong muong » trong muong, truong huong, truong vuong
thieu xanh » hieu manh, thien anh, thien danh
chieu xanh » chieu sach, chieu sang, chieu tinh
trinh cua » tinh cua, trinh quan, trinh luan
muong van » duong van, luong van, muong va
van thanh » ban thanh, van tuan
thanh lap » thanh san, phan lap, thanh hai

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