Perhaps you should try some spelling variations:
thuat lap » thuat lanh, thuat xay, thuat bai
hoc sach » hoc sinh, hoc cac, hoc anh
cac nuoc » cap nuoc, hoc nuoc, dat nuoc
toan ban » van ban
hieu ve » hieu va, hieu van
va tinh » may tinh
ban tre » ben tre, ban tro, benh tre
ve cac » va cac, vien cac
x hoi » xa hoi, x ho, 5 hoi
o hoi » co hoi, o hoc, o hai

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc sach) or (thuat lap)) ky nang ((x hoi) or (o hoi)). hieu ve cac nuoc va tinh toan ban tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc sach) OR (thuat lap)) ky nang ((x hoi) OR (o hoi)). hieu ve cac nuoc va tinh toan ban tre.
• Adding a wildcard symbol may retrieve word variants: ((hoc sach) or (thuat lap)) ky nang ((x hoi) or (o hoi)). hieu ve cac nuoc va tinh toan ban tre*.