Perhaps you should try some spelling variations:
thanh tri » thanh tra, thanh tai, chinh tri
van thanh » ban thanh, van tuan
hieu van » hieu va, thien van, lieu va
lam xuc » lam duoc
nang ma » tang ma, sang ma, nang cao
sac ky » cac ky
ma hoi » mai hoi, xa hoi, ma hoa
cua tu » cua tuc, cua su, cua cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((sac ky) OR (sai ky)) nang ma hoi. hieu van ((lam xuc) or (cam xuc)) van thanh tri cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((sac ky) OR (sai ky)) nang ma hoi. hieu van ((lam xuc) OR (cam xuc)) van thanh tri cua tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((sac ky) OR (sai ky)) nang ma hoi. hieu van ((lam xuc) or (cam xuc)) van thanh tri cua tu".
• Adding a wildcard symbol may retrieve word variants: hoc ((sac ky) OR (sai ky)) nang ma hoi. hieu van ((lam xuc) or (cam xuc)) van thanh tri cua tu*.