Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
lang van » dang van, tang van, hoang van
hanh lai » hanh lam, hanh tai, thanh lap
van hanh » van thanh, ban hanh, van anh
chau tre » chay tren, chau tho, cho tre
sach ty » sach y, sach tu, sach thu
hieu va » lieu va, hieu qua
xuc van » duc van, luc van, xuc ban
lang xa » lang ha, dang xay
hieu ve » hieu van

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 (lang van)) hoi. ((hieu ve) or (hieu va)) cam xuc van hanh lai chau tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ty ((lang xa) OR (lang van)) hoi. ((hieu ve) OR (hieu va)) cam xuc van hanh lai chau tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach ty ((lang xa) OR (lang van)) hoi. ((hieu ve) or (hieu va)) cam xuc van hanh lai chau tre".
• Adding a wildcard symbol may retrieve word variants: thu sach ty ((lang xa) OR (lang van)) hoi. ((hieu ve) or (hieu va)) cam xuc van hanh lai chau tre*.