Perhaps you should try some spelling variations:
trong manh » trong minh, trong anh, trong mach
hieu manh » chieu xanh, hieu nganh, dieu hanh
trinh han » trinh quan
han trong » hanh trong, nhan trong, phan trong
toan cao » toan ban
toan tap » toan ban
han cua » hang cua, nhan cua, than cua
cua han » cua hang, cua nhan, cua phan

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((hieu manh) or (trieu tinh)) - trinh han cua han trong manh ((toan cao) OR (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((hieu manh) OR (trieu tinh)) - trinh han cua han trong manh ((toan cao) OR (toan tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((hieu manh) or (trieu tinh)) - trinh han cua han trong manh ((toan cao) OR (toan tap))".
• Adding a wildcard symbol may retrieve word variants: theo ((hieu manh) or (trieu tinh)) - trinh han cua han trong manh ((toan cao) OR (toan tap))*.