Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
anh thong » anh thuong, anh trong, anh huong
thong qua » thong quan, thong cua, thong tu
qua dung » quang dung, su dung, qua song
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 thieu xanh - anh thong qua dung ((cong trinh) or (cong san)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - anh thong qua dung ((cong trinh) OR (cong san)) toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - anh thong qua dung ((cong trinh) or (cong san)) toan ban*.