Perhaps you should try some spelling variations:
thanh tri » thanh tra, thanh tai, chinh tri
hanh tri » hanh tai, hanh trinh, hanh triet
hieu van » hieu va, thien van, lieu va
lang xa » lang ha, dang xay, lang van
sach ty » sach y, sach tu, sach thu
sach ky » sac ky, sach y, sach kem
van cam » van nam, van lam, van cau
cam duc » cam xuc, cao duc, pham duc
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: toc ((sach ky) or (sach ty)) lang xa hoi. hieu van cam duc va ((hanh tri) OR (thanh tri)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((sach ky) OR (sach ty)) lang xa hoi. hieu van cam duc va ((hanh tri) OR (thanh tri)) cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc ((sach ky) or (sach ty)) lang xa hoi. hieu van cam duc va ((hanh tri) OR (thanh tri)) cua te".
• Adding a wildcard symbol may retrieve word variants: toc ((sach ky) or (sach ty)) lang xa hoi. hieu van cam duc va ((hanh tri) OR (thanh tri)) cua te*.