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

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. lieu ((va cam) or (va cao)) thuc va hanh ((di cua) or (dai cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty nang xa hoi. lieu ((va cam) OR (va cao)) thuc va hanh ((di cua) OR (dai cua)) tre.
• Adding a wildcard symbol may retrieve word variants: te sach ty nang xa hoi. lieu ((va cam) or (va cao)) thuc va hanh ((di cua) or (dai cua)) tre*.