Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
thuc dan » thuc hanh, hoc dan
te sach » toc sach
lang xa » lang ha, dang xay, lang van
van lam » van nam
tuc van » thuc van, truc van, tuc va
y lang » o lang, _ lang, tay lang
vi cua » vai cua, di 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 y lang xa hoi. hieu van lam ((tuc van) or (((thuc dan) OR (thuc vat)))) hanh vi cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y lang xa hoi. hieu van lam ((tuc van) OR (((thuc dan) OR (thuc vat)))) hanh vi cua tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y lang xa hoi. hieu van lam ((tuc van) or (((thuc dan) OR (thuc vat)))) hanh vi cua tu".
• Adding a wildcard symbol may retrieve word variants: te sach y lang xa hoi. hieu van lam ((tuc van) or (((thuc dan) OR (thuc vat)))) hanh vi cua tu*.