Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
vien cua » viec cua, dien cua, tien cua
tiep cua » tiep can, dieu cua, tap cua
cao hoi » cau hoi, co hoi, cao hoc
nam loc » nam lo, nam moc, nam soc
va tinh » may tinh
tu sai » tu bai, tu san, tu cai
sai ky » sac ky
loc va » hoc va, luc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sai ky nang cao hoi. hieu van nam loc va tinh ((vien cua) or (tiep cua)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sai ky nang cao hoi. hieu van nam loc va tinh ((vien cua) OR (tiep cua)) triet.
• Adding a wildcard symbol may retrieve word variants: tu sai ky nang cao hoi. hieu van nam loc va tinh ((vien cua) or (tiep cua)) triet*.