Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, nhieu tang
hanh trung » thanh trung, hanh trang, manh trung
hieu lang » hieu quang, nhieu tang, hieu van
trung cap » truong cao, trung tam
dung cong » dung trong
cap dung » ap dung, cao dung, chan dung
cong van » cong vang, cong san, song van
van toan » van tuan, van tan, van thanh
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chieu xanh) or (((chieu sang) OR (hieu lang)))) - hanh trung cap dung cong van toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (((chieu sang) OR (hieu lang)))) - hanh trung cap dung cong van toan cao*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu xanh) or (((chieu sang) OR (hieu lang)))) - hanh trung cap dung cong van toan cao*".