Perhaps you should try some spelling variations:
sach thi » sach thu, sach tai, sach tham
hanh doi » thanh doi, hanh noi, hang doi
nang xa » nang x, lang xa, nang ma
ve cham » va cham, ve chat, vu cham
va hanh » van hanh, va thanh, va danh
doi cua » dai cua, hoi cua
ve cac » va cac, vien 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: te ((sach thi) OR (sach thieu)) nang xa hoi. hieu ((ve cham) or (ve cac)) duc va hanh doi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach thi) OR (sach thieu)) nang xa hoi. hieu ((ve cham) OR (ve cac)) duc va hanh doi cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((sach thi) OR (sach thieu)) nang xa hoi. hieu ((ve cham) or (ve cac)) duc va hanh doi cua te".
• Adding a wildcard symbol may retrieve word variants: te ((sach thi) OR (sach thieu)) nang xa hoi. hieu ((ve cham) or (ve cac)) duc va hanh doi cua te*.