Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
vat thong » vat trong, mat thong, vat khong
ho chieu » theo chieu, hoc thieu, doi chieu
va thong » va thuong, va phuong, he thong
cong ban » cong bang, cong san, cong tan
ban phan » ban phap, van phan, ban than
phan cau » phan dau, phan cac, phan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sang - canh tranh ((vat thong) or (va thong)) cong ban phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - canh tranh ((vat thong) OR (va thong)) cong ban phan cau.
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - canh tranh ((vat thong) or (va thong)) cong ban phan cau*.