Perhaps you should try some spelling variations:
pham thuc » phap thuc, pham chuc, nham thuc
thu sach » tu sach, thuat sach, thuoc sach
thuc dan » thuc hanh, hoc dan, thuc vat
dan hang » ban hang, van hang, dat hang
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
nang co » nang cao, nang doc, nang noi
hieu ve » hieu va, hieu van
ve pham » vi pham, v pham, ve phan
co hoi » co hoc, co loi
di cua » doi cua, de cua, do cua

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 cua) OR (dai 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 cua) OR (dai cua)) te".
• Adding a wildcard symbol may retrieve word variants: thu sach ty nang co hoi. hieu ve pham thuc dan hang ((di cua) OR (dai cua)) te*.