Perhaps you should try some spelling variations:
thanh chong » thanh chuong, thanh cong, nhanh chong
chieu sang » chieu sach, chieu xanh, hieu lang
chong phap » phuong phap
phap thong » phap phong, phap chong, pho thong
thong cong » trong cong, tong cong, thong thong
ho chieu » theo chieu, hoc thieu, doi chieu
cong tan » cong tac, cong san, cong thanh
than cau » toan cau, phan cau, thanh chau
phan cac » nhan cach, phan dau, phan lap
than cap » khan cap, thanh lap, thanh cac

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 - thanh chong phap thong cong tan ((((than cau) or (phan cac))) or (than cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - thanh chong phap thong cong tan ((((than cau) OR (phan cac))) OR (than cap)).
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - thanh chong phap thong cong tan ((((than cau) or (phan cac))) or (than cap))*.