Perhaps you should try some spelling variations:
xanh hanh » danh thanh, ban hanh, van hanh
nuoc xanh » nuoc anh, tuoc xanh, nuoc thanh
sang tao » hang tai
toc sach » hoc sach, doc sach, thuoc sach
hanh va » hang va, hanh vi
hieu ve » hieu va, hieu van
sang ma » tang ma, nang ma, mang may
ve hoc » te hoc, va hoc, vi hoc
va cua » va chua, via cua, ca cua
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) or (toc sach)) ty ((sang ma) OR (sang tao)) hoi. hieu ve hoc nuoc xanh hanh va cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (toc sach)) ty ((sang ma) OR (sang tao)) hoi. hieu ve hoc nuoc xanh hanh va cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sach) or (toc sach)) ty ((sang ma) OR (sang tao)) hoi. hieu ve hoc nuoc xanh hanh va cua te".
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (toc sach)) ty ((sang ma) OR (sang tao)) hoi. hieu ve hoc nuoc xanh hanh va cua te*.