Perhaps you should try some spelling variations:
quan trong » gian trong
thieu xanh » chieu xanh, hieu manh, thien danh
thien anh » thien danh, tien anh, thien thanh
hanh tong » hanh trong, han tong, hanh dong
tong quan » thong quan, tong luan, luong quan
cong hach » cong sach, cong thanh, cong khanh
hach toan » thanh toan, manh toan
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) OR (thien anh)) - hanh tong quan trong cong hach toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) OR (thien anh)) - hanh tong quan trong cong hach toan cao".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) OR (thien anh)) - hanh tong quan trong cong hach toan cao*.