Perhaps you should try some spelling variations:
cham tuc » nham thuc, pham thuc, tham thuc
hang dau » hang va, hang tai
hanh dau » danh dau, han dau, hanh mau
sach ky » sac ky, sach y, sach ty
te sach » toc sach
hieu su » hieu sau, tieu su, hieu so
hieu vu » hieu va, hieu ve, dieu vu
nang xa » nang x, lang xa, nang ma
cuu tre » cua tre, cau tren, cau treo
tuc va » thuc va, truc va, tuc xa

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ky nang xa hoi. ((hieu vu) or (hieu su)) cham tuc va ((hanh dau) OR (hang dau)) cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang xa hoi. ((hieu vu) OR (hieu su)) cham tuc va ((hanh dau) OR (hang dau)) cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky nang xa hoi. ((hieu vu) or (hieu su)) cham tuc va ((hanh dau) OR (hang dau)) cuu tre".
• Adding a wildcard symbol may retrieve word variants: te sach ky nang xa hoi. ((hieu vu) or (hieu su)) cham tuc va ((hanh dau) OR (hang dau)) cuu tre*.