Perhaps you should try some spelling variations:
hoc chieu » hoc thieu, ho chieu, hoc hien
doi chieu » doc hieu, doi chi, ho chieu
hanh tinh » hanh trinh, nhanh tinh, thanh tinh
cua nhung » va nhung
tinh cua » trinh cua, sinh cua, tinh chat
cong san » cong tac
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) or (doi chieu)) xanh - hanh tinh cua nhung ((huong dan) or (cong san)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc chieu) OR (doi chieu)) xanh - hanh tinh cua nhung ((huong dan) OR (cong san)) toan ban.
• Adding a wildcard symbol may retrieve word variants: ((hoc chieu) or (doi chieu)) xanh - hanh tinh cua nhung ((huong dan) or (cong san)) toan ban*.