Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
hang hai » hoang hai, hang tai, thanh hai
van hang » van khang, van hoang, van thang
xuc van » duc van, luc van, vuc van
cac xuc » cam xuc, cac nuoc, chat xuc
sach ty » sach y, sach tu, sach thu
hieu va » lieu va, hieu qua
nang ma » tang ma, sang ma, nang cao
lang xa » lang ha, dang xay, lang van
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: thu sach ty ((lang xa) or (nang ma)) hoi. hieu va cac xuc van hang hai ((cua te) or (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ty ((lang xa) OR (nang ma)) hoi. hieu va cac xuc van hang hai ((cua te) OR (cua tu)).
• Adding a wildcard symbol may retrieve word variants: thu sach ty ((lang xa) or (nang ma)) hoi. hieu va cac xuc van hang hai ((cua te) or (cua tu))*.