Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
nhieu tang » chieu sang, hieu lang, nhiet nang
hanh trung » thanh trung, hanh trang, manh trung
phan thong » phan thuong, phan tong, phan trong
thong manh » thong minh, thong mang, thong danh
phan hong » phan cong, pham hong, phan song
manh toan » thanh toan, anh tuan, tinh toan
toan cao » toan ban, toan tap

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) or (nhieu tang)) - hanh trung ((phan thong) OR (phan hong)) thong manh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (nhieu tang)) - hanh trung ((phan thong) OR (phan hong)) thong manh toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu xanh) or (nhieu tang)) - hanh trung ((phan thong) OR (phan hong)) thong manh toan cao".
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (nhieu tang)) - hanh trung ((phan thong) OR (phan hong)) thong manh toan cao*.