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 hanh » dang hanh, dan khanh, dan thanh
nang co » nang cao, nang doc, nang noi
hieu ve » hieu va, hieu van
ve pham » vi pham, v pham, ve phan
tue cua » te cua
y nang » ky nang, ly nang, v nang
co hoi » co hoc, co loi

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 y nang co hoi. hieu ve pham thuc dan hanh ((dai cua) or (tue cua)) te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach y nang co hoi. hieu ve pham thuc dan hanh ((dai cua) OR (tue cua)) te.
• Adding a wildcard symbol may retrieve word variants: thu sach y nang co hoi. hieu ve pham thuc dan hanh ((dai cua) or (tue cua)) te*.