Perhaps you should try some spelling variations:
te sach » toc sach
ty nang » ky nang, ty xang, ty hang
nang xa » nang x, lang xa, nang ma
danh di » danh du, xanh di, danh dien
sach ty » sach y, sach tu, sach thu
thuc va » thuc vat, thuc dan, thuc day
va cao » va cac, va co, va dao
va cam » va cham, va cac, va cai
cua te » cua tu

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 ty nang xa hoi. hieu ((va cam) OR (va cao)) thuc va ((danh di) or (hanh kem)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty nang xa hoi. hieu ((va cam) OR (va cao)) thuc va ((danh di) OR (hanh kem)) cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ty nang xa hoi. hieu ((va cam) OR (va cao)) thuc va ((danh di) or (hanh kem)) cua te".
• Adding a wildcard symbol may retrieve word variants: te sach ty nang xa hoi. hieu ((va cam) OR (va cao)) thuc va ((danh di) or (hanh kem)) cua te*.