Perhaps you should try some spelling variations:
thien van » thi van
phan thai » phan thi, phan hai, phan than
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
nang xa » lang xa, nang ma, mang xa
van cam » van nam, van lam, van cau
va phan » van phan, va phat, va phap
thai va » thai van
xuc va » duc va, tuc va, luc va

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 (nang x)) hoi. thien van cam xuc va phan thai va (thiet or thieu)~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky ((nang xa) OR (nang x)) hoi. thien van cam xuc va phan thai va (thiet OR thieu).
• Adding a wildcard symbol may retrieve word variants: tu sach ky ((nang xa) or (nang x)) hoi. thien van cam xuc va phan thai va (thiet or thieu)*.