Perhaps you should try some spelling variations:
thanh ky » hanh ky, than ky, thanh tay
va tinh » may tinh
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
lanh ky » hanh ky, nganh ky, lanh lay
va danh » va dinh, va dan, va hanh
de cua » le cua, te cua, dieu cua
ve cao » va cao, ve bao, ve cac
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat ((lanh ky) OR (thanh ky)) nang xa hoi. hieu ve cao su ((va danh) or (va tinh)) de cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat ((lanh ky) OR (thanh ky)) nang xa hoi. hieu ve cao su ((va danh) OR (va tinh)) de cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat ((lanh ky) OR (thanh ky)) nang xa hoi. hieu ve cao su ((va danh) or (va tinh)) de cua te".
• Adding a wildcard symbol may retrieve word variants: thuat ((lanh ky) OR (thanh ky)) nang xa hoi. hieu ve cao su ((va danh) or (va tinh)) de cua te*.