Perhaps you should try some spelling variations:
va thanh » gia thanh, ban thanh, va tinh
hieu van » hieu va, thien van, lieu va
te sach » toc sach
va hanh » van hanh, va danh, ban hanh
sach ly » sach y, sach lo, sach ty
van cam » van nam, van lam, van cau
nang xa » nang x, nang ma, mang xa
lang xa » lang ha, dang xay, lang van
du tren » dua tren, dau tren, duc tren
vi du » vi dum, va du, ve du

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 ly ((nang xa) OR (lang xa)) hoi. hieu van cam xuc ((va hanh) or (va thanh)) vi du tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ly ((nang xa) OR (lang xa)) hoi. hieu van cam xuc ((va hanh) OR (va thanh)) vi du tren.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ly ((nang xa) OR (lang xa)) hoi. hieu van cam xuc ((va hanh) or (va thanh)) vi du tren".
• Adding a wildcard symbol may retrieve word variants: te sach ly ((nang xa) OR (lang xa)) hoi. hieu van cam xuc ((va hanh) or (va thanh)) vi du tren*.