Perhaps you should try some spelling variations:
hoc chieu » hoc thieu, ho chieu, hoc dieu
manh tung » manh hung, thanh tung
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap
ap dung » xay dung, van dung
cao ung » cao dung, cac ung, cho ung

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc chieu) or (hoc hien)) xanh - manh tung ((ap dung) or (cao ung)) cong dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc chieu) OR (hoc hien)) xanh - manh tung ((ap dung) OR (cao ung)) cong dan than cau.
• Adding a wildcard symbol may retrieve word variants: ((hoc chieu) or (hoc hien)) xanh - manh tung ((ap dung) or (cao ung)) cong dan than cau*.