Perhaps you should try some spelling variations:
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
cao hoa » cao hoat, cao khoa, cau hoa
hieu ve » hieu va, hieu van
cua tec » cua tuc, cua toc, cua viec
ve cam » ve cham, ve cac, va cam
va dan » ca dan, va dao, va dap
va dau » va dao
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: tu sach ky nang cao hoa. hieu ve cam xuc ((va dan) OR (va dau)) vi ((cua te) or (cua tec))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang cao hoa. hieu ve cam xuc ((va dan) OR (va dau)) vi ((cua te) OR (cua tec))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky nang cao hoa. hieu ve cam xuc ((va dan) OR (va dau)) vi ((cua te) or (cua tec))*".