Perhaps you should try some spelling variations:
thuong manh » thuong mach, thuong nganh, thuong mai
hanh truong » hanh trong, anh truong, manh truong
canh tinh » hanh tinh, manh tinh, nhanh tinh
truong va » truong dai, truong cao, truong dao
manh toan » thanh toan, anh tuan, tinh toan
man tinh » may tinh, ban tinh, quan tinh
toan cao » toan ban, toan tap
va hang » van hang, va nang, va lang

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((man tinh) or (((canh tinh) OR (canh tranh)))) - hanh truong va hang thuong manh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((man tinh) OR (((canh tinh) OR (canh tranh)))) - hanh truong va hang thuong manh toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((man tinh) or (((canh tinh) OR (canh tranh)))) - hanh truong va hang thuong manh toan cao".
• Adding a wildcard symbol may retrieve word variants: hoc ((man tinh) or (((canh tinh) OR (canh tranh)))) - hanh truong va hang thuong manh toan cao*.