Perhaps you should try some spelling variations:
thanh thai » thanh hai, thanh tai, nhanh thai
toc sach » hoc sach, doc sach, thuoc sach
va thanh » gia thanh, ban thanh, va tinh
sach ky » sac ky, sach y, sach ty
hieu ve » hieu va, hieu van
mai hoi » mai khoi, dai hoi, lai hoi
ky sang » ky nang, ky dang, ky tang
ve cam » ve cham, ve cac, va cam
xuc va » duc va, tuc va, luc va
ma hoi » xa hoi, ma hoa, me hoi
cua tu » cua tuc, cua su, cua cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc sach ky sang ((ma hoi) OR (mai hoi)). hieu ve cam xuc va thanh thai ((cua te) or (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach ky sang ((ma hoi) OR (mai hoi)). hieu ve cam xuc va thanh thai ((cua te) OR (cua tu)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc sach ky sang ((ma hoi) OR (mai hoi)). hieu ve cam xuc va thanh thai ((cua te) or (cua tu))".
• Adding a wildcard symbol may retrieve word variants: toc sach ky sang ((ma hoi) OR (mai hoi)). hieu ve cam xuc va thanh thai ((cua te) or (cua tu))*.