Perhaps you should try some spelling variations:
thanh vien » nhan vien, thanh van
thien van » thi van
xa thanh » va thanh, ha thanh, ta thanh
su sach » vu sach
so sach » so sanh, bo sach, co sach
cuu tre » cau tren, cau treo
cua tre » cua te, cua triet, dua tren
nam tu » nam thu, nam thuc
x hoi » xa hoi, o hoi, x ho
tu xa » tu xay, tu va, te xa

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((su sach) OR (so sach)) ky nang x hoi. thien van nam tu xa thanh vien ((cuu tre) or (cua tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (so sach)) ky nang x hoi. thien van nam tu xa thanh vien ((cuu tre) OR (cua tre)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) OR (so sach)) ky nang x hoi. thien van nam tu xa thanh vien ((cuu tre) or (cua tre))".
• Adding a wildcard symbol may retrieve word variants: ((su sach) OR (so sach)) ky nang x hoi. thien van nam tu xa thanh vien ((cuu tre) or (cua tre))*.