Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trinh » canh tranh, hanh chinh
trinh quan » tinh quang, trinh luat, trinh han
hoc chieu » hoc thieu, ho chieu, hoc hien
quan dung » quang dung, quan duong, qua dung
trong dan » trong dang, trong tan, trong ban
trong san » trong cac, cong san, dong san
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 - hanh trinh quan dung ((trong dan) OR (trong san)) toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu xanh - hanh trinh quan dung ((trong dan) OR (trong san)) toan cao".
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - hanh trinh quan dung ((trong dan) OR (trong san)) toan cao*.