Perhaps you should try some spelling variations:
nhanh chong » thanh cong, khanh phong
theo chieu » theo tieu, ho chieu, theo chu
chieu sang » chieu sach, chieu xanh, hieu lang
cong luong » cong thuong, nang luong, cong dong
cong lang » cong vang, cong quang, cong ngang
cua dung » cua dang, cua dong, qua dung
tuan tu » tuan thu, tran tu, toan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu sang - ((nhanh chong) or (nhanh quang)) cua dung ((cong lang) OR (cong luong)) tuan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sang - ((nhanh chong) OR (nhanh quang)) cua dung ((cong lang) OR (cong luong)) tuan tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu sang - ((nhanh chong) or (nhanh quang)) cua dung ((cong lang) OR (cong luong)) tuan tu".
• Adding a wildcard symbol may retrieve word variants: theo chieu sang - ((nhanh chong) or (nhanh quang)) cua dung ((cong lang) OR (cong luong)) tuan tu*.