Perhaps you should try some spelling variations:
canh trinh » canh tranh, hanh trinh, canh tinh
trinh han » trinh quan
han nhung » hanh nhung, hon nhung, ban nhung
theo chu » theo chieu, cho chu, chao chu
chu manh » ho manh, chu han, chu van
cong huy » cuong huy, cong quy, cong duy
dong huy » duong huu, dong hoc, dong hoa
dong luc » nang luc
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: theo chu manh - canh trinh han nhung ((((cong huy) OR (dong huy))) or (dong luc)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu manh - canh trinh han nhung ((((cong huy) OR (dong huy))) OR (dong luc)) toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chu manh - canh trinh han nhung ((((cong huy) OR (dong huy))) or (dong luc)) toan cau".
• Adding a wildcard symbol may retrieve word variants: theo chu manh - canh trinh han nhung ((((cong huy) OR (dong huy))) or (dong luc)) toan cau*.