Perhaps you should try some spelling variations:
nhanh thai » nhanh thi, nhanh thanh, nhanh thang
dang xay » dang van, van xay
hieu van » hieu va, thien van, lieu va
hanh hai » thanh hai, nhanh hai, hang hai
su sach » so sach, vu sach
xay hoi » xa hoi, tay hoi, cay phoi
van bac » van ban, van bao, van hac
y dang » ky dang, 2 dang, _ dang
cua tu » cua tuc, cua su, cua cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach y dang xay hoi. hieu van bac duc va ((hanh hai) or (nhanh thai)) ((cua te) OR (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y dang xay hoi. hieu van bac duc va ((hanh hai) OR (nhanh thai)) ((cua te) OR (cua tu)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach y dang xay hoi. hieu van bac duc va ((hanh hai) or (nhanh thai)) ((cua te) OR (cua tu))".
• Adding a wildcard symbol may retrieve word variants: su sach y dang xay hoi. hieu van bac duc va ((hanh hai) or (nhanh thai)) ((cua te) OR (cua tu))*.