Perhaps you should try some spelling variations:
nhanh chong » thanh cong, khanh phong
theo chieu » theo tieu, theo chu, thi chieu
dung cong » dung trong
cong vang » cong lang, cong quang, cong ngang
vang tuan » van tuan, vong tuan, quang tuan
ho chieu » hoc thieu, doi chieu, mot chieu
cua dung » cua dang, cua dong, qua dung
tuan cu » tuan tu, quan cua, tuan thu

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