Perhaps you should try some spelling variations:
nang mai » nang ma, nang tai, lang mai
tu sach » thu sach, su sach, te sach
sach ly » sach y, sach lo, sach ty
ly nang » ky nang, ly hang, ly vang
mai hoi » mai khoi, dai hoi, lai hoi
va hanh » van hanh, va thanh, va danh
ve cai » va cai, ve cac, ve tai
va cam » va cham, va cac, va cao
tuc va » thuc va, truc va, tuc xa
vi cua » vai cua, di cua

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 ly nang mai hoi. hieu ((ve cai) or (va cam)) tuc va hanh vi cua vat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ly nang mai hoi. hieu ((ve cai) OR (va cam)) tuc va hanh vi cua vat*.