Perhaps you should try some spelling variations:
thanh ca » thanh cha, thanh cac, thanh va
thanh ha » thanh hoa, thanh hai, nhanh ha
so sang » so sanh, so dang, so lang
sang ky » sang kyo, dang ky, tang ky
nang xa » nang x, lang xa, nang ma
su gia » su giao, su giau, vu gia
cua te » cua tu
co su » cao su, co so, co tu

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

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