Perhaps you should try some spelling variations:
toc sach » hoc sach, doc sach, thuoc sach
chat xuc » chat huu, cam xuc, chao xu
cham xuc » cam xuc, cham soc, pham duc
mat cua » ma cua, manh cua, mang cua
dan mat » dang mat, dan dat, dan lat
hieu vu » hieu va, hieu ve, hieu su
dang ma » dang mau, dang mam, dang mat
ky dang » ky nang, ky danh
ma hoi » mai hoi, xa hoi, ma hoa
va dan » ca dan, va dao, va dau
cua te » cua tu

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

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