Perhaps you should try some spelling variations:
tran van » luan van
van tran » van trang, van tranh, van tuan
cham cuu » cap cuu, chat cua
tu sach » thu sach, su sach, te sach
vu cham » va cham, vu kham, tu cham
cua tre » cuu tre, cua triet, dua tren
hieu vu » hieu va, hieu ve, hieu su
sach lo » sach dao, sach doi, sach hoi
lang xa » lang ha, dang xay, lang van
nang xa » nang x, nang ma, mang xa
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: tu sach lo ((nang xa) or (lang xa)) hoi. hieu vu cham cuu van tran van ((cua tre) OR (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach lo ((nang xa) OR (lang xa)) hoi. hieu vu cham cuu van tran van ((cua tre) OR (cua te))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach lo ((nang xa) or (lang xa)) hoi. hieu vu cham cuu van tran van ((cua tre) OR (cua te))*".