Perhaps you should try some spelling variations:
trung thuat » thuong thuat, trung tuan, trung thuc
trong thuat » trong hoat, trong thu, trong phat
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
cong tang » cong thang, cong lang, cong vang
cong tan » cong tac, cong san, cong thanh
tuan cau » toan cau, quan cau, tuan cu

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 - thanh ((trung thuat) OR (trong thuat)) nhung ((cong tan) or (cong tang)) tuan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - thanh ((trung thuat) OR (trong thuat)) nhung ((cong tan) OR (cong tang)) tuan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - thanh ((trung thuat) OR (trong thuat)) nhung ((cong tan) or (cong tang)) tuan cau".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh ((trung thuat) OR (trong thuat)) nhung ((cong tan) or (cong tang)) tuan cau*.