Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
lang van » dang van, tang van, hoang van
hanh tai » thanh tai, hang tai, han tai
cau treo » cau theo, cau tren, cau triet
lang ha » long ha
sach ty » sach y, sach tu, sach thu
hieu ve » hieu va, hieu van
ve cam » ve cham, ve cac, va cam
xuc va » duc va, tuc va, luc va

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 ha) or (lang van)) hoi. hieu ve cam xuc va ((hanh tai) or (doanh tai)) cau treo~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ty ((lang ha) OR (lang van)) hoi. hieu ve cam xuc va ((hanh tai) OR (doanh tai)) cau treo.
• Adding a wildcard symbol may retrieve word variants: thu sach ty ((lang ha) or (lang van)) hoi. hieu ve cam xuc va ((hanh tai) or (doanh tai)) cau treo*.