Perhaps you should try some spelling variations:
chat xuc » chat huu, cam xuc, chao xu
thanh va » thanh van, hanh va, thanh ha
cao tren » ca tren, cau tren, co tren
hieu va » lieu va, hieu qua
cac xuc » cam xuc, cac nuoc, cac cuoc
sac ky » sai ky
va cao » va cac, va co, va dao
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat ((sac ky) or (cac ky)) nang x hoi. hieu va ((cac xuc) OR (chat xuc)) gia thanh va cao tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat ((sac ky) OR (cac ky)) nang x hoi. hieu va ((cac xuc) OR (chat xuc)) gia thanh va cao tren.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat ((sac ky) or (cac ky)) nang x hoi. hieu va ((cac xuc) OR (chat xuc)) gia thanh va cao tren".
• Adding a wildcard symbol may retrieve word variants: thuat ((sac ky) or (cac ky)) nang x hoi. hieu va ((cac xuc) OR (chat xuc)) gia thanh va cao tren*.