Perhaps you should try some spelling variations:
sang mai » sang ma, sang tai, lang mai
chat xuc » chat huu, cam xuc, chao xu
lang man » lang van, lang ban, lang mai
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
hanh va » hang va, hanh vi
va hanh » van hanh, va thanh, va danh
cac xuc » cam xuc, cac nuoc, cac cuoc
chu tre » cho tre, chu tri, cuu tre
hieu ve » hieu va, hieu van
va chu » va che, va cau, va chi

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ky ((sang mai) or (lang man)) hoi. hieu ve ((cac xuc) or (chat xuc)) va hanh va chu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky ((sang mai) OR (lang man)) hoi. hieu ve ((cac xuc) OR (chat xuc)) va hanh va chu tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ky ((sang mai) or (lang man)) hoi. hieu ve ((cac xuc) or (chat xuc)) va hanh va chu tre*.