Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
thien van » thi van
cua triet » cua viet, su triet, va triet
thu sach » tu sach, thuoc sach, thu hoach
van hanh » van thanh, ban hanh, van anh
hanh doi » thanh doi, hanh noi, hang doi
nang xa » nang x, lang xa, nang ma
nam qua » nam quan, nam cua, nam mua
qua van » quan van, qua ban, qua san
doi cua » dai cua, hoi cua, dong cua
y nang » ky nang, ly nang, v nang

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((thu sach) or (thuat sach)) y nang xa hoi. thien van nam qua van hanh doi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu sach) OR (thuat sach)) y nang xa hoi. thien van nam qua van hanh doi cua triet.
• Adding a wildcard symbol may retrieve word variants: ((thu sach) or (thuat sach)) y nang xa hoi. thien van nam qua van hanh doi cua triet*.