Perhaps you should try some spelling variations:
nam thuc » nam thuoc, am thuc, nam tu
te sach » toc sach
cu lang » cua lang, tu lang, xu lang
tu lanh » tu hanh, tu lenh, tu manh
thi van » thi lan, thi hanh, thi nang
va hang » van hang, va nang, va lang
hang di » hang doi, hang vi, hang dien
di cua » dai cua, doi cua, de 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: te sach ((cu lang) or (tu lanh)) ha noi. thi van ((nam thuc) or (nam thu)) va hang di cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((cu lang) OR (tu lanh)) ha noi. thi van ((nam thuc) OR (nam thu)) va hang di cua tu.
• Adding a wildcard symbol may retrieve word variants: te sach ((cu lang) or (tu lanh)) ha noi. thi van ((nam thuc) or (nam thu)) va hang di cua tu*.