Perhaps you should try some spelling variations:
thanh trung » thanh tung
hoc thieu » toc thieu
trung nam » trung tam, trong nam, trung cap
nam nhung » cam nhung, tham nhung, va nhung
tuong dan » huong dan, tung dan, truong dai
xuong dan » huong dan, xuong san, nguong dan
than cau » toan cau, phan cau, than cap

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