Perhaps you should try some spelling variations:
vat tinh » sat tinh, vat sinh, hoat tinh
nang xa » nang x, lang xa, nang ma
tinh va » tich va, trinh van, trinh vat
va chua » vua chua, ca chua, va chu
chua te » cua te, chua tu, chua xe
su sac » su sach, su cac, su xac
sac ky » cac ky, sai ky
ve hoc » te hoc, va hoc, de hoc
vi hoc » li hoc, va hoc

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sac ky nang xa hoi. hieu ((ve hoc) or (vi hoc)) thuc vat tinh va chua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky nang xa hoi. hieu ((ve hoc) OR (vi hoc)) thuc vat tinh va chua te.
• Adding a wildcard symbol may retrieve word variants: su sac ky nang xa hoi. hieu ((ve hoc) or (vi hoc)) thuc vat tinh va chua te*.