Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hoc chieu » hoc thieu, ho chieu, hoc hien
cong tinh » cong trinh, cong vinh, long tinh
van hang » van khang, van hoang, van thang
toan ban » van ban
va nang » van nang, cam nang, kha nang
da nang » cam nang, kha nang, cao nang

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 - canh tranh ((((va nang) OR (da nang))) or (van hang)) cong tinh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - canh tranh ((((va nang) OR (da nang))) OR (van hang)) cong tinh toan ban*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu xanh - canh tranh ((((va nang) OR (da nang))) or (van hang)) cong tinh toan ban*".