Perhaps you should try some spelling variations:
lam cua » nam cua, lam chat
lap cua » lai cua, tap cua, ap cua
sach ty » sach y, sach tu, sach thu
su sach » so sach, vu sach
vu nham » vu kham, vu cham, sua nham
hieu vu » hieu va, hieu ve, hieu su
nang ho » nang hoc, nang co, tang ho
ty nang » ky nang, ty xang, ty hang
thuc va » thuc dan, thuc day
ho hoi » hoc hoi, hoa hoi, hoi hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ty nang ho hoi. hieu vu nham ((thuc va) or (thuc vat)) phan ((lap cua) OR (lam cua)) viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty nang ho hoi. hieu vu nham ((thuc va) OR (thuc vat)) phan ((lap cua) OR (lam cua)) viet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ty nang ho hoi. hieu vu nham ((thuc va) or (thuc vat)) phan ((lap cua) OR (lam cua)) viet".
• Adding a wildcard symbol may retrieve word variants: su sach ty nang ho hoi. hieu vu nham ((thuc va) or (thuc vat)) phan ((lap cua) OR (lam cua)) viet*.