Perhaps you should try some spelling variations:
thuc van » thuc dan, thuc va, thuc hanh
hanh vai » hanh vi, hanh va, hanh tai
te sach » toc sach
lang xa » lang ha, dang xay, lang van
hieu le » hieu ve, hieu he, hieu ly
vai cua » dai cua, hai cua, lai cua
y lang » o lang, _ lang, tay lang
le nam » ly nam, he nam, le na
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 y lang xa hoi. hieu le nam ((thuc van) or (thuc vat)) hanh vai cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y lang xa hoi. hieu le nam ((thuc van) OR (thuc vat)) hanh vai cua tu.
• Adding a wildcard symbol may retrieve word variants: te sach y lang xa hoi. hieu le nam ((thuc van) or (thuc vat)) hanh vai cua tu*.