Perhaps you should try some spelling variations:
thien van » thi van
hieu van » hieu va, lieu va, hieu ve
lam duoc » nam duoc, luat duoc, lam thuoc
te sach » toc sach
lang xa » lang ha, dang xay, lang van
duoc bo » duoc co, duoc do, duoc vo
bo benh » so benh, o benh, ba benh
y lang » o lang, _ lang, tay lang
te cua » tue cua, de cua
le cua » ly cua

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) or (thien van)) lam duoc bo benh ((te cua) OR (le cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y lang xa hoi. ((hieu van) OR (thien van)) lam duoc bo benh ((te cua) OR (le cua)) tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y lang xa hoi. ((hieu van) or (thien van)) lam duoc bo benh ((te cua) OR (le cua)) tre".
• Adding a wildcard symbol may retrieve word variants: te sach y lang xa hoi. ((hieu van) or (thien van)) lam duoc bo benh ((te cua) OR (le cua)) tre*.