Perhaps you should try some spelling variations:
pham thuc » phap thuc, pham chuc, pham thu
nham thuc » nhan thuc, nam thuc, nham thu
te sach » toc sach
sach ly » sach y, sach lo, sach ty
ly nang » ky nang, ly hang, ly vang
hieu ve » hieu va, hieu van
dan dan » dang dan, ban dan, dao dan
dan lap » phan lap, dan luan
lap cua » lai cua, tap cua, lam cua
cua tu » cua tuc, cua su, cua cu
x hoi » xa hoi, o hoi, x ho

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 nang x hoi. hieu ve ((pham thuc) OR (nham thuc)) dan dan lap cua tu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ly nang x hoi. hieu ve ((pham thuc) OR (nham thuc)) dan dan lap cua tu".
• Adding a wildcard symbol may retrieve word variants: te sach ly nang x hoi. hieu ve ((pham thuc) OR (nham thuc)) dan dan lap cua tu*.