Perhaps you should try some spelling variations:
pham chuc » pham duc, pham huu, kham chua
thu nang » thi nang, tho nang, thu dang
danh vai » danh sai, danh va, doanh van
thu bang » thu ban, chu bang, thu trang
thu hang » thi hang, thuc hanh, thu huong
hieu van » hieu va, thien van, lieu va
van pham » san pham, van phan, van phat
so sach » so sanh, bo sach, co sach
chuc va » thuc va, thuc vat
vai cua » dai cua, hai cua, lai cua
va danh » va dinh, va dan, va hanh
ma hoi » mai hoi, xa hoi, ma hoa
cua tu » cua tuc, cua su, cua cu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: so sach ((thu nang) or (((thu bang) or (thu hang)))) ma hoi. hieu van pham chuc va danh vai cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ((thu nang) OR (((thu bang) OR (thu hang)))) ma hoi. hieu van pham chuc va danh vai cua tu.
• Adding a wildcard symbol may retrieve word variants: so sach ((thu nang) or (((thu bang) or (thu hang)))) ma hoi. hieu van pham chuc va danh vai cua tu*.