Perhaps you should try some spelling variations:
hanh tai » thanh tai, hang tai, han tai
sach thu » sach thue, sach thieu, sach tham
tu sach » thu sach, su sach, te sach
hanh va » hang va, hanh vi
truc va » thuc va, thuc vat, trung va
hieu ve » hieu va, hieu van
lang ha » long ha
lang xa » dang xay, lang van
ve cau » ke cau, va cau, ve cac
cua te » cua tu

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 thu ((lang xa) or (lang ha)) hoi. hieu ve cau truc va ((hanh tai) or (hanh va)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach thu ((lang xa) OR (lang ha)) hoi. hieu ve cau truc va ((hanh tai) OR (hanh va)) cua te.
• Adding a wildcard symbol may retrieve word variants: tu sach thu ((lang xa) or (lang ha)) hoi. hieu ve cau truc va ((hanh tai) or (hanh va)) cua te*.