Perhaps you should try some spelling variations:
thien van » thi van
phan tai » pham tai, han tai, phan tap
phan thi » pham thi, tran thi, phan tu
nhan tai » hang tai, van tai, toan tai
te sach » toc sach
sach ky » sac ky, sach y, sach ty
duc van » duc va, duc tan, duc manh
cau duc » cao duc, cau luc, chu duc
van cau » van dau, van hau, van chat
nang xa » nang x, lang xa, nang ma
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: te sach ky nang xa hoi. thien van cau duc van ((((phan tai) OR (nhan tai))) or (phan thi)) cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang xa hoi. thien van cau duc van ((((phan tai) OR (nhan tai))) OR (phan thi)) cua tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky nang xa hoi. thien van cau duc van ((((phan tai) OR (nhan tai))) or (phan thi)) cua tu".
• Adding a wildcard symbol may retrieve word variants: te sach ky nang xa hoi. thien van cau duc van ((((phan tai) OR (nhan tai))) or (phan thi)) cua tu*.