Perhaps you should try some spelling variations:
thanh trien » thanh tien, thanh truyen, thanh vien
trien thuat » thien thuat, trien hoat, chien thuat
chieu sang » chieu sach, chieu xanh, hieu lang
thong cong » trong cong, tong cong, thong thong
dung cong » dung trong
bac nhanh » bac thanh, cach nhanh, bac ninh
nhanh cau » nhanh cay, thanh chau, nhanh ha
ho chieu » theo chieu, hoc thieu, mot chieu

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 trien thuat ((thong cong) or (dung cong)) bac nhanh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - thanh trien thuat ((thong cong) OR (dung cong)) bac nhanh cau.
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - thanh trien thuat ((thong cong) or (dung cong)) bac nhanh cau*.