Perhaps you should try some spelling variations:
hanh doi » thanh doi, hanh noi, hang doi
sach thi » sach thu, sach tai, sach thieu
te sach » toc sach
doi cua » dai cua, hoi cua
va hanh » van hanh, va thanh, va danh
cua tre » cua te, cuu tre, cua triet
dan xa » dan xac, dan xay, dan ca
ve cac » va cac, vien cac
lan xa » lang xa, lan ha, tan xa
ve cam » ve cham, va cam, ve cai

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach thi ((lan xa) OR (dan xa)) hoi. hieu ((ve cam) or (ve cac)) duc va hanh doi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach thi ((lan xa) OR (dan xa)) hoi. hieu ((ve cam) OR (ve cac)) duc va hanh doi cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach thi ((lan xa) OR (dan xa)) hoi. hieu ((ve cam) or (ve cac)) duc va hanh doi cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach thi ((lan xa) OR (dan xa)) hoi. hieu ((ve cam) or (ve cac)) duc va hanh doi cua tre*.