Perhaps you should try some spelling variations:
thien van » thi van
phan dang » phan dau, phan cong, nhan dan
luc phan » duc phan, luc nhan, luan phan
su sach » so sach, vu sach
ty nang » ty xang, ty hang, ly nang
van cam » van nam, van lam, van cau
cam luc » cam xuc, cau luc
vat cau » va cau, van cau, vat hau
x hoi » xa hoi, o hoi, x ho

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 ((ty nang) OR (ky nang)) x hoi. thien van cam luc phan dang ((vat cau) or (dat cau)) tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ((ty nang) OR (ky nang)) x hoi. thien van cam luc phan dang ((vat cau) OR (dat cau)) tren.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ((ty nang) OR (ky nang)) x hoi. thien van cam luc phan dang ((vat cau) or (dat cau)) tren".
• Adding a wildcard symbol may retrieve word variants: su sach ((ty nang) OR (ky nang)) x hoi. thien van cam luc phan dang ((vat cau) or (dat cau)) tren*.