Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
hanh hinh » hanh chinh, hanh tinh, hanh dinh
qua dung » quang dung, su dung, qua song
cua dang » cua cong, cua ban
cac toan » cac khoan, hach toan, cac thanh
toan cau » 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 thieu xanh - hanh hinh ((qua dung) or (cua dang)) trong cac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh hinh ((qua dung) OR (cua dang)) trong cac toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh hinh ((qua dung) or (cua dang)) trong cac toan cau*.