Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh
chieu sang » chieu sach, hieu lang, nhieu tang
hanh trinh » canh tranh, hanh chinh
trinh quan » tinh quang, trinh luat, trinh han
hieu manh » hieu nganh, dieu hanh, hien hanh
quan hang » quan hoang, quan lang, quan hanh
hang cong » dang cong, hang nong, bang cong
cong tac » cong ty
tac va » tac da, tac xa, tuc va
va ban » van ban, va bai, va bao

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hieu manh) or (((chieu sang) OR (chieu xanh)))) - hanh trinh quan hang cong tac va ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu manh) OR (((chieu sang) OR (chieu xanh)))) - hanh trinh quan hang cong tac va ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hieu manh) or (((chieu sang) OR (chieu xanh)))) - hanh trinh quan hang cong tac va ban".
• Adding a wildcard symbol may retrieve word variants: hoc ((hieu manh) or (((chieu sang) OR (chieu xanh)))) - hanh trinh quan hang cong tac va ban*.