Perhaps you should try some spelling variations:
truong thanh » truong trung, truong thpt, truong chung
vung truong » vung trong, dung truong, tung truong
chieu xanh » chieu sach, chieu sang, chieu tinh
trinh quan » trinh luat, trinh han
thanh toan » thanh hoa, thanh san, tinh toan
hien hanh » dieu hanh
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: hoc ((chieu xanh) or (hien hanh)) - hanh ((trinh quan) or (tinh quang)) vung truong thanh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (hien hanh)) - hanh ((trinh quan) OR (tinh quang)) vung truong thanh toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (hien hanh)) - hanh ((trinh quan) or (tinh quang)) vung truong thanh toan ban*.