Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sang » chieu sach, chieu xanh, hieu lang
trung nhan » truong nhan, trung phan, trong nhan
nhan trong » nhuan trong, nhat trong, nhin trong
dohanh va » doanh va, thanh va, nhanh va
ho chieu » theo chieu, hoc thieu, mot chieu
hanh va » hang va, hanh vi

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 trung nhan trong cong ((hanh va) or (dohanh va)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - thanh trung nhan trong cong ((hanh va) OR (dohanh va)) ban.
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - thanh trung nhan trong cong ((hanh va) or (dohanh va)) ban*.