Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
thanh toan » thanh hoa, thanh san, tinh toan
hoc thieu » toc thieu, hoc hien
cach dung » sach dung, tac dung, anh dung
hang dong » hang nong, hang cong, lang dong
hanh dong » anh dong, ha dong
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 - ((cach dung) or (cach mang)) luan ((hang dong) OR (hanh dong)) thanh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - ((cach dung) OR (cach mang)) luan ((hang dong) OR (hanh dong)) thanh toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - ((cach dung) or (cach mang)) luan ((hang dong) OR (hanh dong)) thanh toan cau".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - ((cach dung) or (cach mang)) luan ((hang dong) OR (hanh dong)) thanh toan cau*.