Perhaps you should try some spelling variations:
qua cham » qua hai, qua cac, va cham
tu sach » thu sach, su sach, te sach
va hanh » van hanh, va thanh, va danh
thuc va » thuc vat, thuc dan, thuc day
sach ty » sach y, sach tu, sach thu
qua cam » qua cac, qua ca, qua cai
nang co » nang cao, nang doc, nang noi
nang ro » nang ho, nang ra, nang rong
vi cua » vai cua, di cua
cua cu » cua chu, cua cau, cua su

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ty ((nang co) or (nang ro)) hoi. hieu ((qua cam) or (qua cham)) thuc va hanh vi cua cu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty ((nang co) OR (nang ro)) hoi. hieu ((qua cam) OR (qua cham)) thuc va hanh vi cua cu.
• Adding a wildcard symbol may retrieve word variants: tu sach ty ((nang co) or (nang ro)) hoi. hieu ((qua cam) or (qua cham)) thuc va hanh vi cua cu*.