Perhaps you should try some spelling variations:
thanh tai » thanh hai, thanh toan, doanh tai
ban thanh » ban hanh, ban hang
xach tay » canh tay
nang cho » nang chon, ngang cho, nang cao
cuc tre » duc tre, cua tre, cuc thue
cac ban » cac dan, cac van, can ban
cam cac » ca cac, nam cac, cam chan
cuu tre » cua tre, cau tren, cau treo
hieu ve » hieu va, hieu van
cho hoc » co hoc, khoa hoc
ve cam » ve cham, ve cac, va cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((xach tay) or (sach y)) nang cho hoc. hieu ve cam cac ban thanh tai ((cuc tre) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((xach tay) OR (sach y)) nang cho hoc. hieu ve cam cac ban thanh tai ((cuc tre) OR (cuu tre)).
• Adding a wildcard symbol may retrieve word variants: tu ((xach tay) or (sach y)) nang cho hoc. hieu ve cam cac ban thanh tai ((cuc tre) or (cuu tre))*.