Perhaps you should try some spelling variations:
phan duoc » phan duc, phan quoc, nhan duoc
hang tai » hang va, dung tai
hanh tai » thanh tai, han tai, hinh tai
phat duc » pham duc, phan duc, pham duy
so sach » so sanh, bo sach, co sach
sach tu » sach thu, cach tu, sach ty
tu nano » truc nano
nano 1 » nano o
cua te » cua tu
1 hoc » n1 hoc, y hoc, _ hoc

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach tu nano 1 hoc. lieu va ((phat duc) OR (phan duoc)) va ((hanh tai) or (hang tai)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach tu nano 1 hoc. lieu va ((phat duc) OR (phan duoc)) va ((hanh tai) OR (hang tai)) cua te*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach tu nano 1 hoc. lieu va ((phat duc) OR (phan duoc)) va ((hanh tai) or (hang tai)) cua te*".