Perhaps you should try some spelling variations:
thuong thanh » truong thanh, phuong thanh, thong thanh
manh truong » manh trung, manh tuong, minh truong
dung thuong » dung trong, hang thuong, cong thuong
thiet tach » chiet tach, thuat tach
thien hach » thien thanh, hien hanh
anh truong » anh thuong, anh trong, tang truong
thanh toan » thanh hoa, thanh san, tinh toan
qua dung » quang dung, su dung, qua song
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 ((thiet tach) OR (thien hach)) - ((manh truong) or (anh truong)) qua dung thuong thanh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thiet tach) OR (thien hach)) - ((manh truong) OR (anh truong)) qua dung thuong thanh toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thiet tach) OR (thien hach)) - ((manh truong) or (anh truong)) qua dung thuong thanh toan cao".
• Adding a wildcard symbol may retrieve word variants: hoc ((thiet tach) OR (thien hach)) - ((manh truong) or (anh truong)) qua dung thuong thanh toan cao*.