Perhaps you should try some spelling variations:
lanh dinh » anh dinh, hanh dinh, thanh dinh
hieu van » hieu va, thien van, lieu va
cu tren » dua tren
va lanh » va lang, va danh, va hanh
cau xuc » cam xuc, cau luc, cau truc
van cau » van dau, van hau, van chat
sach ky » sac ky, sach y, sach kem
nang xa » nang x, lang xa, nang ma
sach ty » sach y, sach tu, sach thu
tu tren » tu truyen, tu tieng, tu trong
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) OR (sach ty)) nang xa hoi. hieu van cau xuc va lanh dinh ((cu tren) or (tu tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ky) OR (sach ty)) nang xa hoi. hieu van cau xuc va lanh dinh ((cu tren) OR (tu tren)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ky) OR (sach ty)) nang xa hoi. hieu van cau xuc va lanh dinh ((cu tren) or (tu tren))".
• Adding a wildcard symbol may retrieve word variants: tu ((sach ky) OR (sach ty)) nang xa hoi. hieu van cau xuc va lanh dinh ((cu tren) or (tu tren))*.