Perhaps you should try some spelling variations:
toc sach » hoc sach, thuoc sach, nuoc sach
danh tai » doanh tai, dinh tai, hanh tai
vat danh » va danh, van danh, luat danh
nam thuc » nam thuoc, am thuc, nam thu
lang van » dang van, tang van, hoang van
doc sach » hoc sach, nuoc sach, dac sac
lang xa » lang ha, dang xay
lieu ha » lieu nha, lieu va, liem ha
tai cua » thai cua, tai cuc, tri cua
cua tu » cua tuc, cua su, cua cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((toc sach) or (doc sach)) y ((lang xa) or (lang van)) hoi. lieu ha nam thuc vat danh tai cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc sach) OR (doc sach)) y ((lang xa) OR (lang van)) hoi. lieu ha nam thuc vat danh tai cua tu.
• Adding a wildcard symbol may retrieve word variants: ((toc sach) or (doc sach)) y ((lang xa) or (lang van)) hoi. lieu ha nam thuc vat danh tai cua tu*.