Perhaps you should try some spelling variations:
lanh hai » manh hai, thanh hai, lang chai
sach ty » sach y, sach tu, sach thu
hai cua » thai cua, dai cua, hoi cua
va lanh » va lang, va danh, va hanh
lam xuc » cam xuc, lam duoc
hieu va » lieu va, hieu qua
tu sach » thu sach, su sach, te sach
lang xa » lang ha, dang xay, lang van
nang ma » tang ma, sang ma, nang cao
va lam » van lam, va lap
xuc va » duc va, tuc va, luc va
cua su » qua su

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ty ((lang xa) or (nang ma)) hoi. hieu va lam xuc va lanh hai cua su~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty ((lang xa) OR (nang ma)) hoi. hieu va lam xuc va lanh hai cua su.
• Adding a wildcard symbol may retrieve word variants: tu sach ty ((lang xa) or (nang ma)) hoi. hieu va lam xuc va lanh hai cua su*.