Perhaps you should try some spelling variations:
tu cach » tu cac
te sach » toc sach
tu hanh » du hanh, lu hanh, thuc hanh
hanh xa » hanh va, hanh ma, hanh xu
ve phan » ke phan, ve phat, vi phan
va phan » van phan, va phat, va phap
va hanh » van hanh, va thanh, va danh
luu tre » luu tru, cuu tre, luy tre
vi luu » vi lua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu cach) OR (te sach)) tu hanh xa hoi. hieu ((ve phan) OR (va phan)) duc va hanh vi luu tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu cach) OR (te sach)) tu hanh xa hoi. hieu ((ve phan) OR (va phan)) duc va hanh vi luu tre".
• Adding a wildcard symbol may retrieve word variants: ((tu cach) OR (te sach)) tu hanh xa hoi. hieu ((ve phan) OR (va phan)) duc va hanh vi luu tre*.