Perhaps you should try some spelling variations:
thong cong » thong thong, phong chong, cong cong
chieu xanh » chieu sach, chieu sang, chieu tinh
hoc chieu » hoc thieu, ho chieu, hoc hien
canh manh » lanh manh, canh tranh, cach mang
tong cong » cong cong, dung cong, dang cong
manh cua » doanh cua, ban cua
dan than » dan chan, ban than, van than
than cao » toan cao, thai cao, 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 xanh - canh manh cua ((thong cong) or (((tong cong) OR (trong cong)))) dan than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - canh manh cua ((thong cong) OR (((tong cong) OR (trong cong)))) dan than cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu xanh - canh manh cua ((thong cong) or (((tong cong) OR (trong cong)))) dan than cao".
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - canh manh cua ((thong cong) or (((tong cong) OR (trong cong)))) dan than cao*.