Perhaps you should try some spelling variations:
cong hoa » dong hoa, dong hoc, hang hoa
thanh va » thanh van, thanh ha, thanh ve
hien toc » hien ton, hien thuc, hien tu
toc cham » toc thai
so sanh » do sanh
vuc van » duc van, luc van, thuc van
hanh va » hang va, hanh vi
xuc van » duc van, luc van, xuc ban
sanh ty » sach ty, canh tay
hoa hoi » khoa hoi, hoa hoc, hoa doi
ty cong » tay cong, te cong, tu cong
cua tre » cua te, cuu tre, cua triet

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sanh ty cong hoa hoi. hien toc cham ((xuc van) or (vuc van)) ((thanh va) or (hanh va)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sanh ty cong hoa hoi. hien toc cham ((xuc van) OR (vuc van)) ((thanh va) OR (hanh va)) cua tre.
• Adding a wildcard symbol may retrieve word variants: so sanh ty cong hoa hoi. hien toc cham ((xuc van) or (vuc van)) ((thanh va) or (hanh va)) cua tre*.