Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
thuc van » thuc vat, thuc dan, thuc va
te sach » toc sach
hieu ve » hieu va, hieu van
y lang » o lang, tay lang, yen lang
_ lang » o lang, _ land
vi cua » vai cua
di cua » dai cua, doi cua, de cua
ve am » va am

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 ((y lang) or (_ lang)) xa hoi. hieu ve am thuc van thanh ((vi cua) OR (di cua)) tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((y lang) OR (_ lang)) xa hoi. hieu ve am thuc van thanh ((vi cua) OR (di cua)) tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((y lang) or (_ lang)) xa hoi. hieu ve am thuc van thanh ((vi cua) OR (di cua)) tu".
• Adding a wildcard symbol may retrieve word variants: te sach ((y lang) or (_ lang)) xa hoi. hieu ve am thuc van thanh ((vi cua) OR (di cua)) tu*.