Perhaps you should try some spelling variations:
tan thanh » tran thanh, tang thanh, toan thanh
tan hanh » tang hanh, toan hanh, tran hanh
van hieu » cao hieu
sach ly » sach lo, sach ty, sach hay
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
cam duc » cam xuc, cao duc, pham duc
va cam » va cham, va cac, va cao

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: te ((sach ly) or (sach y)) nang xa hoi. hieu va cam duc ((tan hanh) OR (tan thanh)) vi van hieu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach ly) OR (sach y)) nang xa hoi. hieu va cam duc ((tan hanh) OR (tan thanh)) vi van hieu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((sach ly) or (sach y)) nang xa hoi. hieu va cam duc ((tan hanh) OR (tan thanh)) vi van hieu".
• Adding a wildcard symbol may retrieve word variants: te ((sach ly) or (sach y)) nang xa hoi. hieu va cam duc ((tan hanh) OR (tan thanh)) vi van hieu*.