Perhaps you should try some spelling variations:
thieu nang » thien nang, thieu khang, thieu quang
nang cap » nang cao, nang cham, nang phap
cap phoi » cap cho
tu sach » thu sach, su sach, te sach
hieu vu » hieu va, hieu ve, hieu su
vu cham » va cham, vu kham, tu cham
hoc van » hoc dan, hoc va, hoc phan
hoc vat » hoc va, hoc viet, thuc vat
luu tre » luu tru, cuu tre, luy tre
vi luu » vi lua

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 thieu nang cap phoi. hieu vu cham ((hoc van) or (hoc vat)) hanh vi luu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach thieu nang cap phoi. hieu vu cham ((hoc van) OR (hoc vat)) hanh vi luu tre.
• Adding a wildcard symbol may retrieve word variants: tu sach thieu nang cap phoi. hieu vu cham ((hoc van) or (hoc vat)) hanh vi luu tre*.