Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
nhung cong » dung cong, thong cong, hang cong
hoc chieu » hoc thieu, ho chieu, hoc hien
thong cap » thong cac, trung cap, thong cua
tung cap » trung cap, cung cap, trong cap
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
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 chieu sang - manh ((tung cap) OR (thong cap)) nhung cong dan than cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu sang - manh ((tung cap) OR (thong cap)) nhung cong dan than cau".
• Adding a wildcard symbol may retrieve word variants: hoc chieu sang - manh ((tung cap) OR (thong cap)) nhung cong dan than cau*.