Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
dung duong » dung dong, dong duong, dung dung
duong manh » duong van
trinh vat » trinh van, trinh luat, sinh vat
ho chieu » theo chieu, hoc thieu, doi chieu
vat dung » van dung, va dung, viet dung
toan cao » toan tap
toan ban » van ban
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) or (doi chi)) xanh - hanh trinh vat dung duong manh ((toan cao) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doi chi)) xanh - hanh trinh vat dung duong manh ((toan cao) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (doi chi)) xanh - hanh trinh vat dung duong manh ((toan cao) or (toan ban))*.