Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, hieu manh
chieu tinh » trieu tinh, lieu tinh, chau tinh
sinh trac » sinh thai, sinh thuc, anh trac
van nhung » van nhuong, va nhung, van phung
cong tinh » cong trinh, cong vinh, long tinh
van hung » van dung, manh hung, van duong
toan ban » van ban

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 xanh) OR (chieu tinh)) - sinh trac ((van nhung) or (van hung)) cong tinh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (chieu tinh)) - sinh trac ((van nhung) OR (van hung)) cong tinh toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu xanh) OR (chieu tinh)) - sinh trac ((van nhung) or (van hung)) cong tinh toan ban".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) OR (chieu tinh)) - sinh trac ((van nhung) or (van hung)) cong tinh toan ban*.