Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, nhieu tang
hieu lang » hieu quang, nhieu tang, hieu van
hanh tinh » hanh trinh, nhanh tinh, thanh tinh
cua bang » chua bang, cua dang, cua hang
cong van » cong vang, cong san, song van
van tuan » van quan, van ban, anh tuan
tuan tap » toan tap, tuan tai, tuyen tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoi ((hieu lang) or (chieu sang)) - hanh tinh ((cua bang) OR (cua ban)) cong van tuan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoi ((hieu lang) OR (chieu sang)) - hanh tinh ((cua bang) OR (cua ban)) cong van tuan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoi ((hieu lang) or (chieu sang)) - hanh tinh ((cua bang) OR (cua ban)) cong van tuan tap".
• Adding a wildcard symbol may retrieve word variants: hoi ((hieu lang) or (chieu sang)) - hanh tinh ((cua bang) OR (cua ban)) cong van tuan tap*.