Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
nam viet » pham viet, bac viet, nam hien
phan lap » phan dau
van phan » van phong, van thanh, luan phan
van tham » van thanh, van tuan, van chat
van cham » van chat, va cham, van pham
sach ty » sach y, sach tu, sach thu
duc van » duc va, duc tan, duc manh
ty nang » ky nang, ty xang, ty hang
x hoi » xa hoi, o hoi, x ho
viec » vien

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 x hoi. hieu ((van cham) OR (van tham)) duc van phan lap ((nam viet) or (lam viec))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ty nang x hoi. hieu ((van cham) OR (van tham)) duc van phan lap ((nam viet) OR (lam viec)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach ty nang x hoi. hieu ((van cham) OR (van tham)) duc van phan lap ((nam viet) or (lam viec))".
• Adding a wildcard symbol may retrieve word variants: thu sach ty nang x hoi. hieu ((van cham) OR (van tham)) duc van phan lap ((nam viet) or (lam viec))*.