Perhaps you should try some spelling variations:
va thanh » gia thanh, ban thanh, va tinh
te sach » toc sach
ky sang » ky nang, ky dang, duy sang
ky tang » ky nang, ky dang, kho tang
hieu ve » hieu va, hieu van
ve pham » vi pham, v pham, ve phan
lap cua » lai cua, lam cua, ap cua
tap cua » tap quan, tiep cua
ma hoi » mai hoi, xa hoi, ma hoa

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 ((ky sang) or (ky tang)) ma hoi. hieu ve pham duc va thanh ((lap cua) OR (tap cua)) te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((ky sang) OR (ky tang)) ma hoi. hieu ve pham duc va thanh ((lap cua) OR (tap cua)) te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((ky sang) or (ky tang)) ma hoi. hieu ve pham duc va thanh ((lap cua) OR (tap cua)) te".
• Adding a wildcard symbol may retrieve word variants: te sach ((ky sang) or (ky tang)) ma hoi. hieu ve pham duc va thanh ((lap cua) OR (tap cua)) te*.