Perhaps you should try some spelling variations:
pham thuc » phap thuc, pham chuc, nham thuc
thuc dan » thuc hanh, hoc dan, thuc vat
hang doi » hang loi, huong doi, hang tai
thu sach » tu sach, thuat sach, thuoc sach
hieu ve » hieu va, hieu van
ve pham » vi pham, v pham, ve phan
sach ty » sach y, sach tu, sach thu
nang co » nang cao, nang doc, nang noi
hang di » hang vi, hang dien, hang dich
ty nang » ky nang, ty xang, ty hang
co hoi » co hoc, co loi
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: thu sach ty nang co hoi. hieu ve pham thuc dan ((hang di) OR (hang doi)) cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach ty nang co hoi. hieu ve pham thuc dan ((hang di) OR (hang doi)) cua te".
• Adding a wildcard symbol may retrieve word variants: thu sach ty nang co hoi. hieu ve pham thuc dan ((hang di) OR (hang doi)) cua te*.