Perhaps you should try some spelling variations:
thanh va » thanh van, hanh va, thanh ha
so lang » o lang, so dang, hoa lang
so sanh » do sanh
hieu va » lieu va
su gia » su giao, su giau, vu gia
va cua » va chua, via cua, ca cua
cua tu » cua tuc, cua su, cua cu
x hoi » xa hoi, o hoi, x ho
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 lang) or (so sanh)) ky nang x hoi. ((hieu va) or (hieu qua)) co su gia thanh va cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((so lang) OR (so sanh)) ky nang x hoi. ((hieu va) OR (hieu qua)) co su gia thanh va cua tu.
• Adding a wildcard symbol may retrieve word variants: ((so lang) or (so sanh)) ky nang x hoi. ((hieu va) or (hieu qua)) co su gia thanh va cua tu*.