Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
canh trinh » canh tranh, canh tinh, anh trinh
hanh trinh » canh tranh, hanh chinh
nhung cong » dung cong, thong cong, hang cong
toc chieu » toc thieu, doc hieu, hoc thieu
cong lang » cong vang, cong luong, cong quang
he nhung » hee nhung, ve nhung, me nhung
than cao » toan cao, than cap, than sao
thai cao » tai cao, thoai cac, thuat cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc chieu xanh - ((canh trinh) or (hanh trinh)) he nhung cong lang ((than cao) OR (thai cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc chieu xanh - ((canh trinh) OR (hanh trinh)) he nhung cong lang ((than cao) OR (thai cao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc chieu xanh - ((canh trinh) or (hanh trinh)) he nhung cong lang ((than cao) OR (thai cao))".
• Adding a wildcard symbol may retrieve word variants: toc chieu xanh - ((canh trinh) or (hanh trinh)) he nhung cong lang ((than cao) OR (thai cao))*.