Perhaps you should try some spelling variations:
tinh thai » sinh thai, tinh toan, tinh chat
toc sach » doc sach, thuoc sach, nuoc sach
hoc sach » hoc sinh, hoc cac, hoc anh
va tinh » may tinh
hieu ve » hieu va, hieu van
sang ma » tang ma, nang ma, sang tao
ky sang » ky nang, ky dang, ky tang
ma hoi » mai hoi, xa hoi, ma hoa
ve cam » ve cham, ve cac, va cam
xuc va » duc va, tuc va, luc va
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) OR (hoc sach)) ky sang ma hoi. hieu ve cam xuc va tinh thai ((cua te) or (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc sach) OR (hoc sach)) ky sang ma hoi. hieu ve cam xuc va tinh thai ((cua te) OR (cua tu)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((toc sach) OR (hoc sach)) ky sang ma hoi. hieu ve cam xuc va tinh thai ((cua te) or (cua tu))".
• Adding a wildcard symbol may retrieve word variants: ((toc sach) OR (hoc sach)) ky sang ma hoi. hieu ve cam xuc va tinh thai ((cua te) or (cua tu))*.