Perhaps you should try some spelling variations:
thien van » thi van
cau tren » cu tren, dau tren, ca tren
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, nang ma, mang xa
lang xa » lang ha, dang xay, lang van
nam qua » nam quan, nam cua, nam mua
qua van » quan van, qua ban, qua san
hanh di » hanh vi, hanh de, hang di

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 ky ((nang xa) OR (lang xa)) hoi. thien van nam qua van ((hanh di) or (hanh kem)) cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky ((nang xa) OR (lang xa)) hoi. thien van nam qua van ((hanh di) OR (hanh kem)) cau tren.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky ((nang xa) OR (lang xa)) hoi. thien van nam qua van ((hanh di) or (hanh kem)) cau tren".
• Adding a wildcard symbol may retrieve word variants: tu sach ky ((nang xa) OR (lang xa)) hoi. thien van nam qua van ((hanh di) or (hanh kem)) cau tren*.