Perhaps you should try some spelling variations:
te sach » toc sach
dien cu » dien cuc, dien cua, dieu cua
sach ly » sach y, sach lo, sach ty
nang ma » tang ma, sang ma, nang cao
hieu va » hieu qua
ly nang » ky nang, ly hang, ly vang
ma hoi » mai hoi, xa hoi, ma hoa
xuc va » duc va, tuc va, luc va
va dan » ca dan, va dao, va dau

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 ma hoi. ((hieu va) or (lieu va)) cam xuc va dan ((dien cu) OR (dien tu)) treo~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ly nang ma hoi. ((hieu va) OR (lieu va)) cam xuc va dan ((dien cu) OR (dien tu)) treo.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ly nang ma hoi. ((hieu va) or (lieu va)) cam xuc va dan ((dien cu) OR (dien tu)) treo".
• Adding a wildcard symbol may retrieve word variants: te sach ly nang ma hoi. ((hieu va) or (lieu va)) cam xuc va dan ((dien cu) OR (dien tu)) treo*.